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【单选题】
人体的某种可产生抗体的免疫反应过程可表示为右图，其中a~e代表不同免疫细胞，①~⑤代表生理过程。下列表述错误的是（）
A.
a细胞表示吞噬细胞，能对多种病原体都起防御作用
B.
抗原X经过程①②③的呈递后，能刺激细胞c增殖分化
C.
当细胞d、e再次接触抗原X后，均能迅速增殖分化、产生抗体
D.
抗原抗体结合后，可被细胞a所消化
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