As he had been told

＿＿ many times,he finally understood.

A. Told
B.Having been told
答案选B
A项＝（As he had been） told

为什么不能选A?

1. where had he been? 1Spencer went right back to play as if he had never been interrupted. The hungry boy ________ everything on his plate as if he had been starved for ages. The hungry boy ________ everything on his plate as if he had been starved for ages The bill he had long been opposed_____...... he had had to make thebreak he had been rhinking about for so long .如何理解 As she had been entirely ____for the accident He had been to London where he had drawn ￡50 from the bank, It seemed that he had been told all ------. He had been mentioning your name to me.