Definition: You are given a question on world religions. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input:  Which early battle led to the conversion of Mecca?
(A)The Battle of Uhud (B)The Battle of Camel (C)The Battle of the Trench (D)The Battle of Badr

C