most experts believe that having a __ weight means thay you are in good health.

题目

most experts believe that having a __ weight means thay you are in good health.
a:normal
f:formal
c:ordinary
d:common
请给出这几个词的区别,说明原因

答案

应该选A
A表示正常的 You tempreture is normal.
B表示正式的 The word is used in formal occasion.
C表示大众化的 He has a ordinary face.
D表示普遍的 Jone is a common name.