Which of the phrases given below the sentence should replace the phrase printed in bold type to make it grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.
What happens to all those travellers on the ship was not known?
A.
What happened of
B.
What happened in
C.
What is that happens to
D.
What happened to
E.
No correction required
Correct answer is D
No explanation has been provided for this answer.
