GMAT Sentence Correction (SC) | When it came down to who would be chosen as team captain

When it came down to who would be chosen as team captain, Joe, Charlie and me were the final candidates.

a) Joe, Charlie and me were the final candidates
b) Joe, Charlie and me are those of us who are the final candidates
c) Joe, Charlie and I were the final candidates
d) we were the final candidates, Joe, Charlie and me
e) the best choice being Joe, Charlie and I


Question from Gmat Grammar book

confused between A and C .

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