2. Viruses can be spread _____ by email users, and you just can’t find anyone to be blame.
(A) inadvertently
(B)indignantly
(C) intermittently
(D) intricately
(E) inconsistently
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統計: A(29), B(1), C(9), D(3), E(2) #3247817
統計: A(29), B(1), C(9), D(3), E(2) #3247817