2道英文语法题目

问题描述:

2道英文语法题目
He was convinced that ( ) any higher ,he would have had to move to a different area.
括号中填哪一个:
A.if property taxes would rise
B.if property taxes had risen
C.were property taxes to rise
为什么?)
With the Louisiana Purchase,the US acquired a ( )
A.territory larger in area than if Britain,France ,Italy,Germany,Spain ,and Portugal were combined.
B.territory larger in area than Britain,France ,Italy,Germany,Spain,,and Portugal combined.
我选第一个 可答案是第二个 为什么呢?

虚拟语气~
因为有个with啊