There are___many people in the hall that he is a little serious.

问题描述:

There are___many people in the hall that he is a little serious.
A.such B.so C.how D.a

选B; so many pelple 固定搭配,意为“很多人”.
另外,so.that 也是一个句型,意为“如此...以至”
整个句子的意思是:很多人在大厅里,这让他有点严肃.