—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

“吊白块”学名次硫酸氢钠甲醛，其具有强还原性，通常在工业上用作漂白剂，也可用作尸体防腐。加入食品后，可使食品增白、增韧。以下病症不是由食用了含有“吊白块”的食品后的诱因（）

A.引发神经系统疾病

B.甲状腺疾病

C.致癌

D.慢性中毒