I think the answer is C but I'm not sure...
Conundrum should be the best answer
After he has been going around with Jordan Baker<span>, who is a golf champion and plays in tournaments, Nick learns that she cheated in her first big tournament. ... Nick has learned that </span>Jordan Baker<span> is a "bad driver," meaning that she is mendacious, incurably dishonest, and he breaks off his relationship with her.</span>
There are different kinds of persons and one type is composed of those who work well alone while other would prefer to work in the group. If the group is large enough so that it is just conducive for learning then, it will be helpful to the dynamics. However, if it is very big that it is no longer healthy then, it would be better to divide further the group.
