104.

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

(A) enormously in that a single tree, depending on both its size and on climate and altitude, could produce

(B) enormously in that a single tree, dependent on its size and also on climate and altitude, is able to produce

(C) enormously, because a single tree, depending on its size and on climate and altitude, is able to produce

(D) enormously, because a single tree, being dependent on its size, climate, and altitude, is capable of producing

(E) enormously, because a single tree, dependent both on its size as well as on climate and altitude, could produce

答案是c, LZ选的是B，不理解为什么B不正确，望大家指点，感激不尽啦