单选题
______ more careful, his ship would not have sunk.
A、
If the captain were
B、
Had the captain been
C、
Should the captain be
D、
If the captain would have been
【正确答案】
B
【答案解析】
[解析] 根据主句谓语可判断,从句应表示与过去事实相反的情况,虚拟条件句中的谓语动词应用过去完成时。动词放句首的倒装形式是虚拟语气典型用法。Had the captain been=If the captain had been。如果船长能小心一点,他的船就不会沉了。
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