Sentence Correction

Bill Walton continued on playing, even though he had injuries that recurred over and over again, always hoping to return back to his position as a regular starter in the game he loved.

(A) on playing, even though he had injuries that recurred over and over again, always hoping to return back
(B) playing, in spite of recurrent injuries, always hoping to return
(C) playing, though injured over and over, and he was always hoping to return back
(D) on playing, even with injuries that recurred, and always hoped to return
(E) to play, despite recurring injuries, hoping that the return

I have problem with OA B