求助贴OG16 SC 75

mumasun

旁友们能不能帮忙看看这道题为什么选B呀，谢谢谢谢！

75. Many house builders offer rent-to-buy programs that enable a family with insufficient savings for a conventional down payment to be able to move into new housing and to apply part of the rent to a purchase later.

(A) programs that enable a family with insufficient savings for a conventional down payment to be able to move into new housing and to apply

(B) programs that enable a family with insufficient savings for a conventional down payment to move into new housing and to apply

(C) programs; that enables a family with insufficient savings for a conventional down payment to move into new housing, to apply

(D) programs, which enables a family with insufficient savings for a conventional down payment to move into new housing, applying

(E) programs, which enable a family with insufficient savings for a conventional down payment to be able to move into new housing, applying

学习gmat的空管

A (able to)多余
B 正确
C 分好链接两个句子,更改了本身句子的逻辑意思
D enables错误，主谓一致的问题
E (able to)多余