—I’m too nervous to give a talk before so many people?

—_________, Maria. I think you can make it.

A．That’s true

B．With pleasure

C．Come on

D．You’re right

确诊流行性出血热的依据是

A．鼠类接触史
B．全身感染和中毒症状
C．“三痛”和“三红”征
D．特异性IgM抗体滴度升高
E．异型淋巴细胞增多