--How long___each other before they___married?--For about a year.A.have they known;get B.did they--How long___each other before they___married?--For about a year.A.have they known;getB.did they know;getC.do they know;are going to getD.had they known;

Question

--How long___each other before they___married?--For about a year.A.have they known;get B.did they
--How long___each other before they___married?--For about a year.
A.have they known;get
B.did they know;get
C.do they know;are going to get
D.had they known;got
为什么选D不选A?
如果他们现在结的婚呢？

Answer 1

你看,they got married这个时间点是在过去,before表示前面发生的动作在这个“过去”之前完成的,当然用过去完成时了had done sth.
结婚是个瞬间动词,只要一结婚那个点一发生,就成了过去式,因此你说的现在结的婚这种状况不存在.