题目选项分析

The yield per acre of coffee berries varies enormously, because a single tree, dependent both on its size as well as on climate and altitude, could produce enough berries to make between one and twelve pounds of dried beans a year.

The yield per acre of coffee berries varies enormously, because a single tree, depending on its size and on climate and altitude, is able to produce enough berries to make between one and twelve pounds of dried beans a year.