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 good conductor of electricity would be (A) tree (B) coke bottle (C) your finger (D) coke can
D

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

If the stars in the sky above your home vary from month to month, (A) that is a new phenomenon (B) that is expected due to the axis (C) that is very scary (D) that is rare and unusual
B