Which of the following is a possible ground of justification in rebutting the presumption of wrongfulness in a case of defamation?

A. Jest

B. Truth and fair comment

C. Media priviledge

D. Negligence

B. Truth and fair comment

The possible ground of justification in rebutting the presumption of wrongfulness in a case of defamation is truth and fair comment. Therefore, the correct option is B. Truth and fair comment.