The correct answer is: B. Superficial.
Superficial means lacking in depth or substance. It can also mean concerned with or interested in appearances rather than essential qualities.
Artificial means made or produced by human beings rather than occurring naturally. It can also mean not genuine or sincere.
Foolish means lacking good sense or judgment. It can also mean acting in a way that shows a lack of good sense or judgment.
Worthless means having no value or importance. It can also mean not deserving of attention or consideration.
In the context of the question, “shallow” can be used to describe someone who is superficial, or someone who is not interested in anything beyond appearances. It can also be used to describe someone who is foolish, or someone who acts in a way that shows a lack of good sense or judgment. However, the most accurate definition of “shallow” in this context is “superficial.”