Question

A computer ________ think for itself; it must be told what to do.

A. can't
B. couldn't
C. may not
D. might not

Answer 1

答案A
考查情态动词的运用。
这句话的意思：“计算机本身不能思考它必须被告知做什么”因此这里所表示的是计算机本身的能力。