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

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

A.can't

B.couldn't

C.may not

D.might not

答案及解析： A

解析：

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。