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A computer _____ think for itself, it must be told what to do.

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

    A computer_____think for itself, it must be told what to do.

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

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