Computer cannot remember who ; it simply does what .
A. has used it; it is told
B. will used it; it was told
C. uses it; it has told
D. has used it; it told
网友回答
(答案→)A. has used it; it is told
B. will used it; it was told
C. uses it; it has told
D. has used it; it told
解析：第一个空上可用现在完成时或一般现在时;第二个空上则必须用两者的被动式。