The way ______ he did it was different from _______ we were used to.

A．which; what

B．/; what

C．in that; what

D．that; that

病理上有血管翳形成的关节炎是

A．风湿热

B．类风湿关节炎

C．骨关节炎

D．银屑病关节炎

E．化脓性关节炎