I'll park the car at Pacific Mall,( )the car park there is full.A unless B if C when D after

问题描述:

I'll park the car at Pacific Mall,( )the car park there is full.
A unless B if C when D after

A
我会把车停在太平洋商场,除非哪里车位已满.
BCD意思不通,如果车位满了,就不可能在那里停车,只能选A