33. The marketing research firm had more than 500 ___________ to the survey by giving free gifts and discount coupons.
(A) data
(B) equipment
(C) respondents
(D) monitors 二、文法測驗【請在下列各題中選出最適當的答案】

答案：登入後查看
統計： A(29), B(5), C(55), D(3), E(0) #675710

詳解 (共 3 筆)

#1116938
因為後面那段 "by giving free gifts and discount coupons" 選data的話語意不通

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#954923
請問為什麼不能選(a)呢？ 謝謝
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#3709770
C.受訪者
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