Thomas eakins used photographs by eadweard muybridge to study figures in motion and as studies for finished paintings?

If you're asking if that's what he did, then yes. He was fascinated with the body in motion, and wanted to experiment with Muybridge to make chronophotographs of men jumping and running. 

Beethoven was a deaf man and couldnt hear. he became famous for his classical pieces. and there ye go.vivaldi was a true one hit wonder classical artist. hes known for his classical piece the four seasons. he was although wasn't as great as beethoven and yea 'ere ye a go.

Ithink the answer is c