—Will you complete the task in time?              

—Surely, I will. _________.

A．Everything is possible

B．But it’s too hard

C．No matter what will happen

D．Though it’s a piece of cake

下列病变中多核巨细胞及泡沫细胞出现最明显的是（）

A.腱鞘囊肿

B.类风湿关节炎

C.骨关节炎

D.滑膜肉瘤

E.局限性结节性腱鞘炎