While Robert was helping his father in the garden, he pushed a shovel into the ground to dig a hole in the dirt. He picked up a shrub, carried it to the hole, and held it while he lowered it into the hole. During which parts of this process does Robert NOT do work? Choose the two statements that apply. A. He pushed a shovel into the ground to dig a hole.
B. He picked up a shrub.
C. He carried it to the hole.
D. He held it while he lowered it into the hole.