＿＿＿with the present global difficult economic situation, many people don’t dare to invest money in stock market any more.

A．To face

B．Having faced

C．Faced

D．Facing

鲍温病时可见到（）

A.鲍温细胞

B.Paget细胞

C.挖（凹）空细胞

D.Merlkel细胞

E.线索细胞