1.Alice wanted to know __some important inventions had all changed the world.

题目

1.Alice wanted to know __some important inventions had all changed the world.
A.that B.who C.what D.whether
我的积分都被其它问题花掉了,等赚满积分,在下再好好谢谢.
为什么不选A？

答案

D 是正确选项.若选A,句意就不对了,Alice想知道……,后应跟一个疑问词,若用that 就是陈述句,肯定语序.