Only when he failed in the final exam __
问题:
Only when he failed in the final exam ____up his mind to study harder to catch up with the classmates ahead of him.
A.he made
B.he had made
C.had he made
D.did he make
Only when he failed in the final exam ____up his mind to study harder to catch up with the classmates ahead of him.
A.he made
B.he had made
C.had he made
D.did he make