Question

Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.

A．so long as	B．as much as
C．as long as	D．as well as

Answer 1

B

这是一个表示同级比较的比较状语从句，因比较的对象是上升的温度，所以B项最佳。