Identify which of the following statement(s) is/are true as they relate to unqualified persons.

I. An unqualified person is defined as a person who is not a qualified person.
II. Unqualified persons are not required to be trained.
III. Unqualified persons must be familiar with any electrical safety-related practices necessary for their safety.
IV. Unqualified persons must be trained in any electrical safety-related practices necessary for their safety."

A) I and II
B) II and III
C) III and IV
D) I and IV