The pupil was asked to rectify the mistake.

A. correct

B. condone

C. clarify

D. repeat

Answer: Option A

Solution(By Examveda Team)

Correct : put right (an error or fault).
Condone : accept (behaviour that is considered morally wrong or offensive).
Clarify : make (a statement or situation) less confused and more comprehensible.
Repeat : say again something one has already said.
Rectify : put right; correct.

Synonym of Rectify is Correct