Why Were the Founders of the Nation Afraid of "Majority

Why were the founders of the nation afraid of "majority tyranny?"

A) They were afraid that the majority might try to undermine the freedoms of minorities and/or threaten individual rights.
B) They mainly feared that their positions of power in society would be undermined.
C) They knew that a constitutional system would not be enough to protect individual rights.
D) They were concerned that African Americans might never receive equal rights.
E) They were afraid they might become the minority.