Question

Fill in the blank with a suitable option:
_______________ is still uncertain.

• A. Why did they lose the match
• B. He is really guilty
• C. When will they come
• D. Who first reported the fire

Answer 1

Answer: (D)

Who first reported the fire

Since the uncertainty is about the identity which cannot be confirmed, Option D is correct. The rest of the options either refer to reasonable situations or one that is not uncertain, hence incorrect.