单选题
There is no specific rule ______ what we should wear to a dinner party.
A、
because of
B、
as to
C、
as of
D、
but for
【正确答案】
B
【答案解析】
[考点] 词义辨析。
[解析] because of因为；as to关于，至于；as of从……开始；but for若不是。
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