帮我做一下,并说明选此项的原因!

帮我做一下,并说明选此项的原因!
1.She is ________a musician than her brother(is)
A,much of B much as C more of D more as
2.In the course of a day students do far more than just ______classes.
A.attend B attended C to attend D attending
3.I would have gone to visit him in the hospital had it been at all possible,but I______ fully occupied the whole of last week.
A were B had been C have been D was
4.it wasn't so much that I disliked her ____that I just wasn't interested in the whole business.
A rather B so C than D as