18. Which of the following is correct?
(A) So far the manager has interviewed fifty applicants, one of whom has a doctorate degree.
(B) Teenagers spend an average of four hours a day on their smartphones, the majority of whom are spent on social media.
(C) Over a thousand people, most of which were female, participated in the marathon.
(D) On the shelf are over twenty mugs, all of which is designed by the most famous artist in town.
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統計: A(3), B(2), C(3), D(2), E(0) #3301139
統計: A(3), B(2), C(3), D(2), E(0) #3301139