63.
Your Answer is
Correct Answer is D
Explanation
Item D: With fellow composer Richard Gibbs is an accompanying adverbial, separated from the main sentence by a comma, so item D is correct.
A/C item: fellow here is an adjective, which is a modification of composer, without a symbol in the middle, A/C is wrong.
Item B: Richard Gibbs is an apposition of composer, which belongs to the case of zero articles, no symbols in the middle, and item B is wrong.