Multi-select problem: How does the next paragraph end?

A person is putting lettuce onto a sandwich. They slice a boiled egg with a slicer and put it on the sandwich. they

Choose from:
 (a). then make sandwich by hand, slices ham, cheese and tomato.
 (b). cut up an avocado and put it on a sandwich.
 (c). take the sandwich onto a plate and put it in a hot oil washer.
 (d). cut up some lettuce and onions.
(b).