— I found it no use arguing with him.

—  _______. He is always stubborn. [ ]

A. How come    

B. I couldn't be more sure  

C. It's a deal  

D. That depends

下列哪项不是厌氧菌败血症的特点()

A．婴幼儿发病率高

B．入侵途径以胃肠道及女性生殖道为主

C．易并发血栓性静脉炎及迁徙性脓肿

D．易并发肺炎

E．黄疸少见