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 mountain top heats and lava flows, resulting in (A) a hot golden leaf (B) a cold deep sea (C) a raised portion of land (D) a sunken valley of ice
C

Mothers have many roles, one of which is (A) gestating and birthing (B) making good dinner (C) creating fun activities (D) watching the babies
A

Which can be fully toggled back and forth (A) steam and rain (B) batter and cake (C) wood and ash (D) food and feces
A