It's late now___I have to goA.for B.or C.so D.because

It's late now___I have to goA.for B.or C.so D.because
It's late now___I have to go
A.for B.or C.so D.because

It's late now___I have to goA.for B.or C.so D.because
C...我不得不走那是因为已经很晚了,表因果关系,且晚是走的原因,所以选SO表所以

C so表示因果,所以