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").

Sunlight is a source of (A) wind energy (B) warmth (C) frigid temperatures (D) moonlight
B

What requires photosynthesis to grow? (A) hills (B) planets (C) flora (D) people
C

The producer makes its own: (A) body (B) sustenance (C) air (D) grass

B