```In each of the following sentences a group of words has been underlined. Choose from the alternatives lettered A to D the one that best explains the underlined group of words.```
Ato was at his wits’ end. This means that Ato

• A.was collecting his ideas together.
• B.had come to the end of his talk.
• C.did not know what to do next.
• D.did not have much to do.