Question

what does the idiom in this text suggest?
\speak of the devil!\ sharon declared when fred strolled into the room.
sharon had just been speaking about fred.
sharon thought fred was a troublemaker.

Explanation:

The idiom "Speak of the devil" is used when someone you were just talking about suddenly appears. The context shows Fred walked in right after Sharon would have been discussing him, matching the idiom's meaning. The claim about Fred being a troublemaker is not supported by the given text.

Answer:

Sharon had just been speaking about Fred.