TOEFL Listening: ETS-TOEFL听力机经 - 34Z4CQAG9K39EA3_P$

Why is the man unfamiliar with the bookstore's policy? A. He didn't have time to read the return policy. B. He was not aware that the policy had changed. C. He did not think he would need to know that information. D. He assumed the policy was the same as his local bookstore.