This is a test of commonsense with single/multi-choices. Complete the next sentence:

A man is inside a room in front of a table. He demonstrates how to properly lay a shirt on the table. then he

OPTIONS:
a). shows how to use an iron to iron the shirt smoothly.
b). practices with the shirt on its own on the table.
c). puts the shirt over the table and separates shoe acetone to make a square.
d). splits the shirt into two pieces.
The answer is:
a).