About_________of the students in the class are girl students.

A．three-fives

B．three-fifth

C．three-fifths

D．third-fifths

以下哪项不是胃气虚证的临床表现（）

A.胃脘隐痛

B.得食痛缓

C.饥不欲食

D.面色萎黄

E.神疲倦怠