求助GMAT句子改错题

问题描述:

求助GMAT句子改错题
Minivans carry as many as seven passengers *and*,compared with most sport utility vehicles,cost less,get better gas mileage,allow passengers to get in and out more easily,and have a smoother ride.
那个第一个and(用星号标出的)放在那里是为什么呢?不太懂.

面包车搭载多达七名乘客而且,与大多数越野车相比,成本更低,获得更好的油耗,乘客的上下车更方便,行驶更平稳.只是compared with most sport utility vehicles伴随状况后移而已还原:Compared with most sport utility ...