请教语法LZM

joywzy

Intended primarily to stimulte family summer travel, the new airfare, which allows both an adult and a child to fly for the price of one ticket, and also shortens the advance purchase requirements for family travel to a mimium of seven days rather fourtheen.
C: also shorten the advantate purchase requirement for family travel to a mimimum of seven days ratehr than that of
E: also shorten the advantate purchase requirement for family travel to a mimimum of seven days ratehr than

答案：E，但C不是更好吗： that of 与 a mimium of 平行。

Louisa_xy

不需要that of和 a mimium of 平行。
fourteen和seven days 平行

joywzy

that of和 a mimium of 平行,fourteen和seven days 平行,不是更好，更工整？！

Louisa_xy

that of不需要了，否则太罗索了
seven days rather fourtheen不就挺好么  :-))

joywzy

liangqi , 你说得对，E读起来更顺，又不影响句意。谢谢louisa mm and liangqi.