She told me that she had mailed part of the products and that the rest in a few days. A.

问题补充：

She told me that she had mailed part of the products and that the rest in a few days.

A. has followed

B. have followed

C. was following

D. were following

答案：

A. has followed

B. have followed

C. was following

(答案→)D. were following

解析：句意：她告诉我她已经邮寄了部分产品，剩下的将在几天内邮寄过来。The rest指代剩下的产品，products为复数故谓语动词用复数形式，排除A,C。in a few days表将来时态，故用 be doing 表将来。故选D。