来自李亚安的问题
【_____anhourearlier,Marywouldn'thavebeencaughtintheheavyrain.A.ifshehasreturnedB.hadifshereturnC.hadshereturnedD.ifshereturned为什么选C?】
_____anhourearlier,Marywouldn'thavebeencaughtintheheavyrain.
A.ifshehasreturned
B.hadifshereturn
C.hadshereturned
D.ifshereturned为什么选C?
