My grandmother ______a lot of changes in

问题选择题

My grandmother ______a lot of changes in Tianjin since she came here 　.

A．sees

B．can 　 see

C．will see

D．has seen

答案

答案：D

题目分析：根据题干，本句的意思是：自从我奶奶来天津，她看到许多的变化。根据since可知，本句的时态应该是现在完成时，只有has seen符合题意，所以本题选D。