the conj. "because" has many special usage. suggest you remember them.
you can see:
1. "if only because" introduces a adverbial clause:
Media studies is regarded as a more exciting subject, if only because it's new.
*: meaning of "if only" here:used to give a reason for something, although you think it is not a good one.
2. "just because" introduces a noun clause ...
spoken used to say that although one thing is true, it does not mean that something else is true
Just because you're my brother doesn't mean I have to like you!
Plus, choice B chould be elimiated for "avoiding facilities" is illogical.
-- by 会员 aeoluseros (2010/10/5 0:26:52)