The immune system is capable of mounting specific responses to particular microorganisms because _____. Select one: a. lymphocytes are able to change their antigen specificity as required to fight infection b. the body is able to make different antigen receptors depending on the invading microorganism c. the body contains an enormous diversity of lymphocytes, each with a specific kind of antigen receptor d. the body is able to determine which type of B and T cells to make
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