"Tragedies" is the one among the following choices given in the question that is the kind of plays written by Sophocles. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that has genuinely come to your help.
Principles
I think principal is not right because it doesn’t look right.
IT MIGHT NOT CAUSE A SEQUENCE.YOU NEVER KNOW
The correct answer in this question is option A. The sisters dislike Sunjata because he is male. A male offspring of the king can be an heir to his father's throne. There was also a prediction that the king's son will become a mighty ruler someday if the king marries an ugly woman who is Sunjata's mother.