---- Have you heard that a building was blown up last weekend with a number of people in it?

---- Yes, _____ news came as _____ shock to me.

A．/ ; the

B．the; a

C．a ; a

D．the; the

人们为了摆脱孤独而与别人交往体现了哪种动机（）

A.赞许动机

B.亲和动机

C.成就动机