问题
Never before _______ the famous ancient garden was just a stone’s throw away from the hotel, so out _______.
A:had they known; went all they
B:they had known; went all they
C:had they known; they all went
D:they had known; they all went
B:they had known; went all they
C:had they known; they all went
D:they had known; they all went
正确答案是：
