In the following sentence, four words or phrases have been printed in bold. One bold part in the sentence is incorrectly spelt or inappropriate in the context. Pick up that part and mark its number. If there are no errors in the bold parts, mark (5) i.e. No error as the answer.

A debate almost always requires (A)/ you to descent with an (B)/ opponent for a long time, since explaining a (C)/ point of view can rarely be done quickly. (D)