单选题
It looks ______ the family has got a lot of problems.
A、
as long as
B、
as if
C、
while
D、
though
【正确答案】
B
【答案解析】
As long as长达，as if似乎，while当……时候，though尽管、虽然。根据题意，选项B是正确的。
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