____ impressed the tourists deeply was ____ the workers made with their hands.A.What;thatB.That;thatC.What;whatD.That;what为啥选C?

问题描述:

____ impressed the tourists deeply was ____ the workers made with their hands.
A.What;that
B.That;that
C.What;what
D.That;what
为啥选C?

第一个充当主语,第二个充当宾语