— Mr. Smith never means what he says. I dislike him.

—       , as the saying goes.

A．A single flower does not make a spring

B．A still tongue makes a wise head

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

D．Actions speak louder than words

诊断慢性肾盂肾炎不正确的是（）

A.病史超过半年

B.大量蛋白尿

C.两个肾脏大小不等

D.肾盂、肾盏狭窄变形

E.持续性肾小管功能受损