()worriesmeis()we'regoingtopayforallthisA.it,thatB.that,howC.what,howD.as,that

Question

( )worries me is ( )we're going to pay for all this
A.it,that B.that,how C.what ,how D.as,that

Answer 1

C.what ,how
What 引导主语从句,而how 引导宾语从句