When you do the literature search in order to decide the topic for your research paper

, you may find that the topic you are interested in has already been done by someone else.For the topic already explored by others, you should _________.

A.give it up because it does no good to waste time by repeating Prior Art.

B.re-uate it to find some new aspects to make further contributions.

C.avail yourself of the ready-made materials and research findings and use them in your own paper.

D.either A or B.