The postman noticed that two men,carring______looked like guns,enterd the bank.

问题描述:

The postman noticed that two men,carring______looked like guns,enterd the bank.
A.that B.something C.which D.what
请问为什么不能选B.

这是因为carrying后引导的宾语从句既差一个连接词又要做looked like guns的主语,所以只能用what我还咨询了其他同学解释如下:what =that + which在一个句子中既能做主语又能做宾语的只有what。如果句子改一下,把looked去掉,这时候才可以用something,