问题：
– Do you know _____ yesterday ?
– It was at 8 o’clock in the morning.
A．when did she come
B．when was it that she came
C．when she came
D．when it was that she came
– Do you know _____ yesterday ?
– It was at 8 o’clock in the morning.
– It was at 8 o’clock in the morning.
| A．when did she come |
| B．when was it that she came |
| C．when she came |
| D．when it was that she came |
参考答案：