Which among the following is a correct interrogative form of the sentence?
He confirmed that he was at the club that night.
When has he confirmed that he was at the club that night?
Did he confirm that he was at the club that night?
Why has he confirmed that he was at the club that night?
Where did he confirm that he was at the club that night?
A new born girl child was killed by a father. He told to the mother and police that, he that the baby was still born. Suspecting his statement the baby was taken for autopsy, where report was confirmed that it was a murder. The test performed by the medical expert was by taking a piece of lung and dropped in water where it: