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").

[Q]: The cell of a plant when photosynthesizing may most require (A) access to roofless space (B) a complete vacuum in space (C) a room with blackened windows (D) dark basement living quarters
[A]: A


[Q]: Which of the following relationships is true? (A) Play-Doh can scratch diamond, therefore it is softer (B) Diamond can scratch Play-Doh, therefore Play-Doh is harder (C) Diamond can scratch Play-Doh, therefore diamond is harder (D) Play-Doh can scratch diamond, therefore it is harder
[A]: C


[Q]: Illness has a negative impact on the health of what? (A) rocks (B) bricks (C) llamas (D) plastics
[A]:
C