I'll give you a question, please answer with step-by-step reasoning process.
Macroevolution most likely occurs over what period of time?\nOptions:\n- (A) Summer\n- (B) length\n- (C) eons\n- (D) long\n- (E) growth\n- (F) Earth\n- (G) years\n- (H) scale

(C)
Macroevolution occurs over geologic time above the level of the species.

All geologic time can be divided into two eons.

Macroevolution occurs over eons.

.

Final answer: (C)