In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

A commercial exhibits a varied array of welding equipment and demonstrates how to weld using the equipment. A welding helmet, clamps, welding kit and gloves are shown in line on a white background. a person <sep> (A) begins to use the welding tools to weld inside of a car producing fire sparks as the welding takes place. (B) demonstrates a welding helmet with someone sitting behind him and welding inside his head. (C) is then shown welding a weld container with an electric wake lighter shaped like a bull in the shape of a bull crown. (D) points to the tool in the tool that he is holding.
A