Correct Answer: A

Rationale: The passage is expository as it provides factual information about the sensory, motor, and perceptual development in babies during the first two years of life. It explains how babies' senses develop, focusing on hearing and vision in their early stages. The passage presents these developmental milestones in a straightforward and informative manner, making it expository. Choice B (narrative) is incorrect because the passage does not tell a story or present a sequence of events involving characters. Choice C (persuasive) is incorrect as there is no attempt to convince or persuade the reader of a particular viewpoint. Choice D (descriptive) is incorrect because the passage does not aim to create a vivid picture or impression using sensory details; instead, it focuses on providing clear information about sensory development in infants.

Correct Answer: D

Rationale: The author's conclusion about the house on Pine Street is that it was too expensive. This can be inferred from the description provided in the text, where it is mentioned that although the house had enough space inside, it didn't have a big enough yard for their dogs, and the cost of the house was well above their price range. Therefore, the correct answer is D. Choices A, B, and C are incorrect as they do not align with the evidence from the text, which clearly points to the cost being the main issue with the house on Pine Street.

Correct Answer: C

Rationale: Ginger is typically harvested in the fall season because ginger roots mature in about 8-10 months after planting. This makes the fall season optimal for harvesting when the roots have reached their full potential. Choices A, B, and D are incorrect because ginger is not harvested in spring, summer, or winter according to the guide provided.

Correct Answer: D

Rationale: In the context provided, the word 'testament' most likely refers to evidence. A testament can be something that serves as proof or confirmation of a fact or situation. In this case, it is used in a non-religious sense to indicate evidence or proof. The other choices are incorrect as 'story' does not fit the context, 'surprise' is not related to the owners' skills mentioned, and 'artifact' does not align with the discussion of the restaurant's success.

Correct Answer: C

Rationale: The author's main purpose in the passage is to explain the influence of idealism on American social and political discourse. The passage discusses how idealistic viewpoints shape the discourse in America, advocating for specific ideals and beliefs (A) rather than explaining the beliefs of an idealist (B) or examining the impact of snake behavior on the ecosystem (D).