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

A man is seen using a machine across a long stretch of leaves while moving up and down the lawn. he

Select from the following.
(a). continues pushing the leaves around the area and moving up and down the lawn.;
(b). stands up in the end and continues walking around while other people are seen walking all along the ground and speaking to him on the camera.;
(c). continues using the machine on a still image while leaves move around towards his face.;
(d). continues moving around while the camera pans into his hands and back on him holding a lawn mower.;
(a).