英语选择That is the question I____ you _____.求问

问题描述:

英语选择That is the question I____ you _____.求问
A.tell...about B.told...about C.told.../
为什么选B用过去式而不用A呢

"那就是我告诉你的问题"这问题已在这句话之前说了,因而就是过去式.
That is the question I told you about.