大全A8,XIEXIE(以查资料）

8.     One pervasive theory explains the introduction of breakfast cereals in the early 1900s as a result of the growing number of automobiles, which led to a decline in horse ownership and a subsequent grain glut; by persuading people to eat what had previously been horse feed, market equilibrium was restored. E (B)

(A) by persuading people to eat what had previously been horse feed, market equilibrium was restored

(B) persuading people to eat what had previously been horse feed restored market equilibrium

(C) by persuading people to eat what had previously been horse feed, it restored market equilibrium

(D) the persuasion of people to eat what had previously been horse feed restored market equilibrium

(E) market equilibrium was restored when people were persuaded to eat former horse feed

虽然觉得B是对的，但也不知E具体是什么毛病 不知哪位大N能指点一二，谢谢啦！