In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: if heat is conducted to an object then that object will become hot, Fact2: Heat conduction in rocks is very slow., Question: rocks become hot very what (A) cycles (B) slow (C) Erode (D) mostly (E) H20 (F) expand (G) energy (H) ligt
B