It is the fourth time that she you in a week. A. ringsB. has rungC. has been ringingD. is

问题补充：

It is the fourth time that she you in a week.

A. rings

B. has rung

C. has been ringing

D. is ringing

答案：

A. rings

B. has rung

C. has been ringing

D. is ringing

解析：考查固定句式中的时态。固定句式：It is/was the+序数词+that 从句；句意：这是某人第几次做某事的时候了。如果前面是is，后面使用现在完成时；如果前面是was，后面使用过去完成时。本题前面是is，故使用现在完成时，Ｂ正确。句意：这是这个星期里他第四次打电话给你了。