Definition: You are given a science question (hard-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
Input: A geologist conducts an investigation to determine the absolute age of a fossil. She then repeats the procedure three times. Which best explains why she repeated the procedure several times?
(A) It helps her develop better procedures. (B) It improves the accuracy of the results. (C) She wants all the results to be different. (D) She has more than one hypothesis to prove.
Output:
B