will you stay for some more days?sorry I () my mother called me to go back at onceAmustn't B may notCcan't Dwouldn't并说明理由

问题描述:

will you stay for some more days?sorry I () my mother called me to go back at once
Amustn't B may notCcan't Dwouldn't
并说明理由

D wouldn't called这里是一般过去时态
will 要变成would
希望能采纳,谢谢了

can't
因为前面已经有一个sorry了,已经开始委婉了,所以一定要拒绝掉啊,况且后文印证了,

C
这里表示“做不到” 因为母亲叫我马上回去(下文)