— Didn't they come to the party last week?

— Yes. They didn't want to come with us at first,   but then we ________ persuade them. [ ]

A. would  

B. could

C. were able to  

D. had to

六岁女孩发烧，体检咽部红肿，有颈强直，有脑膜刺激症状，腰穿有脓性脑脊液，但未培养出脑膜炎双球菌。临床诊断为脑膜炎，请问下列哪种细菌还能引起本病（）

A.肺炎双球菌

B.流感杆菌

C.B群链球菌

D.新型隐球菌

E.金黄色葡萄球菌