Which of the following is NOT included in the process of defense identification？A．Cancer c

Which of the following is NOT included in the process of defense identification？

A．Cancer cells destroy different carbohydrates of the body.

B．People are sensitive to what are not themselves.

C．People make immune responses to those cancer antigens.

D．Antibody response is detected by the blood test.

请帮忙给出正确答案和分析，谢谢！