GRE 选词填空,As the world has moved into a scientific age,the origin of herbal medicine inmany countries remains _____ in mystery and often sounds fantastic to thosetrained in modern science.A.shrouded B.hidden C.covered D.hindered为什么选B不对?
问题描述：
GRE 选词填空,
As the world has moved into a scientific age,the origin of herbal medicine in
many countries remains _____ in mystery and often sounds fantastic to those
trained in modern science.
A.shrouded B.hidden C.covered D.hindered
为什么选B不对?
答