25.下列何種分子為IgE低親和性接受器(low affinity receptor)?
(A)CD20
(B)CD21
(C)CD22
(D)CD23
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統計: A(237), B(238), C(181), D(1086), E(0) #2972699
統計: A(237), B(238), C(181), D(1086), E(0) #2972699