Which of the Following Is a Difference Between B Cells

Multiple Choice

Which of the following is a difference between B cells and T cells?

A) One has a major role in antibody production, while the other has a major role in cytotoxicity.
B) One uses a receptor called BCR, while the other recognizes a receptor called TCR.
C) One is activated by membrane bound antigens, while the other is activated by free- floating antigens in blood or lymph.
D) All of the above are differences.
E) Only A and B are differences.