GRE 选词填空,

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?

可能是c,句子的意思;世界进入科技时代,但中医药学的根源在很多国家还是神秘的,往往对那些现代科学人士还难以理解,答案是AA是贬义的,那句子的意思可能是;尽管世界已进入科技时代,但在很多国家对中医药学还是不屑一顾,一些现代科技人员往往认为难以置信,