题干
Had it not been for the fact that about 30 pupils __________ in the state of Connecticut
a fortnight ago, their parents ___________ in deep sorrow now.
a fortnight ago, their parents ___________ in deep sorrow now.
| A．had been killed, wouldn’t be |
| B．were killed, couldn’t be |
| C．would have been killed, mightn’t be |
| D．should be killed, wouldn’t be |
答案(点此获取答案解析）
