In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Back to the drawing board

A

To solve a problem one has to go back to the root cause

B

An inventive person will find fresh ways to solve a problem

C

An idea has been unsuccessful and that a new one must be devised

D

An artist is always happy if he gets a chance to go back to painting