Answer:
B. are used for questions.
Explanation:
Interrogative pronouns are the pronouns that are used to ask questions. They are only five interrogative pronouns, also known as the "wh-" questions - "what, which, who, whom, and whose."
These five "wh-" questions ask simple questions and are found only in questions or indirect questions. They are also used in inquiring ways, to try to get information.
Thus, the correct answer is option B.
