2.—Our holiday cost a lot of money.
—Did it? Well, that doesn't matter ________ you enjoyed yourselves.
A．unless B．as far as
C．as long as D．until
【解析】C。考查状语从句。句意：——我们的假期花费了大量的金钱。——是吗？只要你们玩得开心就没有关系。as long as“只要”。unless“除非”；as far as“远到；尽……”；until“直到……时”。
