According to criminologists, the cause

[sudhanshu.jha03]

[Deleted because this question is from a banned source - see below.]

[vijaykumar_ntpc]

answer is B
1) modifier, the cause of is placed appropriately and separated by comma.
2) being and rebelling are parallel.

[ChrisB]

Please read (and follow!) the forum guidelines before posting.

Brutal SC is a banned source because it illegally uses copyrighted oproblems without permission. (And, even if it didn't, we'd ban it anyway - a lot of the problems in the set are fine, but there are a number of bad ones that can actually mess up your study if you use them!)