题目选项分析

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.

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