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【单选题】
经低剂量二硝基苯-牛g球蛋白(DNP-BGG)诱导免疫耐受的动物,再次注射正常剂量的乙酰硝基苯-牛g球蛋白(NP-BGG),将会出现
A.
对NP和BGG均不产生明显应答
B.
抗NP的抗体
C.
抗BGG的抗体
D.
抗NP、DNP和BGG的抗体
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