Jack said that he was sure of succeeding in passing the Totel Examination this time, _______, in my opinion, I don’t think so.

A．what

B．which

C．but

D．therefore

中间葡萄膜炎的病变部位为（）.

A.脉络膜

B.周边视网膜

C.乳斑束

D.累及睫状体平坦部

E.玻璃体基底部