問題詳情

77. In the second paragraph, the phrase “the program” refers to _____.
(A) spam messages
(B) random characters and numbers
(C) a type of spam filter
(D) common features

參考答案

答案:B
難度:簡單0.841515
統計:A(11),B(1577),C(277),D(9),E(0)

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