—Mr. Wang is a man of few words, but quick in mind.

—       , you know.

A．A single flower does not make a spring

B．A man of words and not of deeds is like a garden full of weeds

C．A still tongue makes a wise head

D．A great talker is a great liar

以下表示人生无法回头的是（）？

A、世界上没有后悔药

B、船到桥头自然直

C、人生得意须尽欢

D、白发人送黑发人