Multi-choice problem: Continue writing the next sentence in this paragraph:

A man is using a telescoping pole by the side of a building. He stretches it upward, then cleans the side of the building with it. he

pick from the following.
1). then goes about removing the roofing tiles from the roof.;
2). then uses the rod to finish the roof.;
3). returns it to his kneeling position.;
4). uses it to clean the windows tha are highest.;
4).