The automotive conveyor-belt system, which Henry Ford modeled after an assembly-line technique introduced by Ransom Olds, reduced from a day and a half t0 93 minutes the required time of assembling a Model T.
(A)from a day and a half t0 93 minutes the required time of assembling a Model T
(B)the time being required to assemble a Model T, from a day and a half down t0 93 minutes
(C)the time being required to assemble a Model T, a day and a half t0 93 minutes
(D)the time required to assemble a Model T from a day and a half t0 93 minutes
(E)from a day and a half t0 93 minutes, the time required for the assembling of a Model T
题目分析：A选项中那个required time放的位置很别扭，我不知道到底和哪连接，不爽，杀。B和C中的being表示正在，可是语义中没有表示正在进行的意思，杀。D把time放在前面并且required没有用being，前几个选项所犯错误这个选项都没有出现，留着。E把the time放在后面拿逗号隔开，那么前面reduce这个动词减少了什么？还没说就用逗号，显然歧义太大，杀。
