______more careful, his ship would not have sunk.
A、
Had the captain been
B、
If the captain were
C、
Should the captain be
D、
If the captain would have been
【正确答案】
A
【答案解析】
根据句意和主句中的would not have sunk可知,本句表示的是与过去情况相反的假设,所以从句应用过去完成时,即“had+过去分词”形式。另外,虚拟条件句省略if时,从句要用部分倒装,即将句中的had,were,should等词提至主语前面。故选A。
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