题型:单项选择题 正常人血清中可有一定量的伤寒杆菌抗体,但一般范围在()A."0"抗体<1:40,"H"抗体<1:80B."O"抗体<1:80,"H"抗体<1:80C."O"抗体<1:80,"H"抗体<1:40D."O"抗体<1:80,"H"抗体<1:160E."O"抗体<1:40,"H"抗体<1:40 查看答案