My husband could not be here tonight, but I want to thank you ________ him. [ ]

A. on behalf of  

B. stand for

C. because of  

D. for the benefit of

通过食物和水传播的病原感染不包括（）。

A.流感

B.沙门氏菌

C.大肠杆菌

D.志贺氏菌