問題詳情

19. According to the passage, which of the following is a factor that makes e-commerce prosperous?
(A) Secure payment options.
(B) Promotions and discounts.
(C)Quantity purchases.
(D) Custom-made products.

參考答案

答案:A
難度:困難0.333333
統計:A(9),B(6),C(9),D(3),E(0)

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