Select the correct subordinating conjunction to complete the sentence.


___________ he did to study for the final exam must have been helpful; his grade improved from a B to an A.


a)Which

b)That

c)So what

d)Whatever

Verified Answer :

The correct answer would be D) Whatever. 

Whatever he did to study for the final exam must have been helpful; his grade improved from a B to an A.

I believe it's D (whatever).

Whatever he did to study for the final exam must have been helpful; his grade improved from a B to an A.