问题

Which of these sentences is correct
A: She wondered what’s wrong with her dog
B: I am not sure what does he do for a living
C:Nobody knows how he repaired his broken bike this morning
D: He asked if that it would rain the following day
B: I am not sure what does he do for a living
C:Nobody knows how he repaired his broken bike this morning
D: He asked if that it would rain the following day
正确答案是: