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").

A deer eats lots of grass, but the deer is unable to create more food for itself, because in the food chain, the deer is unable to be (A) a producer (B) a consumer (C) a manager (D) a creator
A

Solar energy is adsorbed by (A) planted flowers under the moonlight (B) potted flowers in a windowless room (C) planted flowers on a bright, clear day (D) seeds that have just been planted in the ground
C

Xenons use current to produce light as well as (A) rainbows (B) thermal exchange (C) darkness (D) heat sinks

B