GWD题求教!!!!!~~~~语法!~~~

Q39:

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. B   d

A.     Minivans carry as many as seven passengers and, compared with most sport utility vehicles, cost less,

B.     Minivans, which carry as many as seven passengers, compared with most sport utility vehicles, they cost less,

C.     Minivans carry as many as seven passengers, in comparison with most sport utility vehicles, and have a lower cost, they

D.     Minivans, carrying as many as seven passengers, compared with most sport utility vehicles, cost less,

E.      Minivans, which carry as many as seven passengers, compared with most sport utility vehicles the cost is lower, and they

请问这里COMPARED后面的短语充当什么成分;为什么后面能直接加COST......

两个都是插入语,

同上，carrying, compared是两个插入成分，修饰前面的主语Minivans ， cost 是谓语

就近修饰的话不就修饰PASSENGERS了？