SAT 语法题 重点问 C D E为什么错
问题描述：
SAT 语法题 重点问 C D E为什么错
Medical research now emphasizes that （the best treatment for many diseases is the body's own defenses being stimulated.）
A the best treatment for many diseases is the body's own defenses being stimulated.
B the best treatment for many diseases is stimulation of the body's own defenses.
C there should be stimulation of the body's own defenses for the best treatment for many diseases.
D.there should be a stimulation of the body's own defenses to achieve the best treatment for many diseases.
E.the body's own defenses should have stimulation for the best treatment for many diseases.
答
选B吧,CDE都有should表推测意思,说“自身应该有防御的刺激”,而题原意是本来就有,不是猜测的应该有.所以都不对