Select the most appropriate idiom that can substitute the underlined segment in the given sentence.
Her explanation was so convoluted that it left everyone confused.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. scratching their heads.
Idiom: Scratching their heads
Meaning: Being puzzled or confused about something.
Example: The teacher’s question had all the students scratching their heads.
Hence, the chosen option is correct.