题目内容：

There was such a long line at the exhibition__we had to wait for half an hour.
A.as B.that C.so D.hence 为什么是B,不是C?

优质解答

题目意思是：展会里排起了长长的队伍,我们不得不等了半小时.后面等是前面排起长队的结果,而且前面有such,得用such that句式,表示：如此..以致于