Question

The underlined word in the given sentence is an example of: 'What' has happened is not clear.
(A) Relative Pronoun
(B) Interrogative Pronoun
(C) Noun
(D) Indefinite Pronoun
Note:- The underlined word is What​

Answer 1

Answer:

(B) Interrogative Pronoun is the answer

Explanation:

Since, the word 'what' shows interrogation.

Also,  the sentence shows that the person speaking must be in some sort of confusion and is asking the above.

Answer 2

interrogative pronoun

The five interrogative pronouns are what, which, who, whom, and whose. What – Used to ask questions about people or objects. Examples: What do you want for dinner?