VKat wrote:
Is option b or option c, whcih one is correct?
I have selected option b because.. there are 2 independent clauses under option b, in 2nd independent clause after but, will take a lot of...to accomplish the grade will act as a modifier for subject 'effort'.... am i wrong?
You actually stated a reason that option B is incorrect. There isn't an IC after "comma + but" - the subject is missing.
The problem with option C is that "besides" does not indicate a contrast - using
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