问题

Only when _____ in 1945 _____ to his hometown.
A:was the war over; he returned
B:the war was over; had he returned
C:the war was over; he returned
D:was the war over; had he returned
B:the war was over; had he returned
C:the war was over; he returned
D:was the war over; had he returned
正确答案是: