問題詳情
【題組】78 According to the passage, which of the following is true?
(A) Mystery shoppers wear special costumes at work.
(B) Gas stations are among the potential places mystery shoppers will visit.
(C) There are over 600 million mystery shoppers in the U.S.
(D) Mystery shoppers are in danger because they may be beaten by criminals.
參考答案
答案：B
難度：適中0.666667
統計：A(1),B(16),C(4),D(1),E(0)