In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
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Question: Why was my son-in-law required to add rugs or carpeting to his upstairs apartment when the ground floor wasn't? (A) So it would look good then prospective renters took a tour (B) Because they didn't want him to scratch up the wood floors. (C) Because they didn't want the downstairs renters to be as likely to complain about noise (D) Because they didn't want to pay for carpeting themselves.

Answer: C


Question: What is a source of oxygen through photosynthesis? (A) lakes (B) car engines (C) sunflowers (D) people

Answer: C


Question: What tool would be most helpful in aiding indoor plants in photosynthesis (A) music (B) cover (C) Fertilizer (D) a large window

Answer:
D