Which sentence has correct capitalization?

Question

A: My coaches have always encouraged me, so I knew coach Honeycutt would be really proud of me.

B: My Coaches have always encouraged me, so I knew Coach Honeycutt would be really proud of me.

C: My coaches have always encouraged me, so I knew Coach Honeycutt would be really proud of me.

D: My Coaches have always encouraged me, so I knew coach Honeycutt would be really proud of me.

Answer 1

C: My coaches have always encouraged me, so I knew Coach Honeycutt would be really proud of me.