Question

   A computer cannot remember who_____; it simply does what _________.

A．will use it; it is told	B．uses it; it has told
C．used it; it is told	D．has used it; it told

Answer 1

C

考查时态语态：第一空用过去时，表示电脑记不住谁用过它的，只是做的别人叫它做的事。第二个空用被动式。选C。