If its true or false its true
I would say a Parrell graph
I would say the second option - "She skipped off, singing"
It gives a visual of her being very happy, instead of just saying she was happy.
Answer: 3 asking for clarification
Explanation:
The functions of the mentioned expressions is asking for clarification. When someone asks for clarification, it simply means that they are being asked to say something so as to get more information regarding a particular thing and thereby understand better.
Based on the question, the person wants to get clarification regarding number 10 as they've different numbers.