商业保险与社会保险的共性主要有（）。

A.两者的保险对象相同

B.两者的缴费条件相同

C.两者的实施方式相同

D.两者的经营目的相同

E.两者的经办主体相同

--- Is your new team-mate a good guy?

--- Yes. He is kind, skillful, hard-working and intelligent; ____, I can’t speak too highly of him.

A．on the contrary

B．by the way

C．in a word

D．as a result