Definition: You are given a question on elementary mathematics. 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: Tara can develop 2 rolls of film in about 18 minutes. At this rate, how long will it take her to develop 8 rolls of film?
(A)42 minutes (B)1 hour 12 minutes (C)1 hour 20 minutes (D)1 hour 44 minutes

B