Linda asked her mother __   _ at 7 o'clock.[ ]

A.to wake up her  

B.to wake her up  

C.wakes her up  

D.wakes up her

感染后的免疫都是（）

A.细胞免疫

B.非特异性免疫

C.体液免疫

D.特异性免疫

E.主动免疫