Remember the baby this aftertoon. Ok I willA. having picked upB. picked upC. picking upD

问题补充：

Remember the baby this aftertoon. Ok , I will

A. having picked up

B. picked up

C. picking up

D. to pick up

答案：

A. having picked up

B. picked up

C. picking up

(答案→)D. to pick up

解析：句意，这是两个人之间的对话。第一个人说：“记得下午去接孩子。” 第二个人说： “好的，我会的。” remember to do sth. 表示“记得要做某事”