That kind of fallacy is called Argumentum ad Hominem. It means the argument is addressed to the person; attacking that person instead the issue. There is an irrelevance because the argument is against to the person making a claim, rather against to the claim itself. An example is judging a person's social status or attitude, like calling his strategies aren't effective to finish a certain task because of his untidiness and laziness.
I think it’s D not for sure
The person is engaged in a divergent thinking. It is a way to look for as many as possible solution to a problem. The person with divergent thinking may come up with a unique and new solution to a problem. It is considered to be the major factor in creative thinking.
Contrast with convergent<span> thinking where the person is solving the problem with one solution. </span>
I believe its coal and iron im sry if im wrong