—My children, help _____ to some fish. It’s good for you.  

—Thanks, Mum. [ ]

A. myself

B. herself

C. yourself

D. yourselves

下列传染病引起白细胞总数减少的是（）

A.败血病

B.猩红热

C.疟疾

D.流行性脑脊髓膜炎

E.伤寒