题目内容：

They all kept silent at the meeting ________seemed to be a long time ,
and then Jack said a few words to break the silence.
A.After which B and it C until what D as long as
说下原因好吗？

优质解答

选B
seemed to be 的意思是：这似乎...
A 在这之后
C 直至...
D 只要...
整句的意思是：会议中所有人保持沉默,这似乎会是一段很长的时间,然后杰克说了一些话来打破沉默.