49 The swimming team did very well last year. All of _______ worked very hard in order to win the prize.
(A) their member
(B) their members
(C) it’s members
(D) its members
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統計: A(1), B(15), C(3), D(5), E(0) #2280346
統計: A(1), B(15), C(3), D(5), E(0) #2280346