Select the correct indirect form of the given sentence.

He said to them all. “Good bye, my friends!”

He bade good bye to all his friends.

The correct indirect form of the given sentence is:

He bade good bye to all his friends.

The other options are incorrect for the following reasons:

• He said to his friends good bye. The reporting verb "said" does not indicate that the speaker is giving a command or exclamation.
• He asked to his friends good bye. The reporting verb "asked" does not indicate that the speaker is giving a command or exclamation.