The skill Jenni needs to improve is purposefulgestute (option C).
<h3>What is the purpose gesture?</h3>
The purposegesture is a term to refer to a communicationskill in which the person has the ability to complement her speech through the gestures of her face and hands.
This allows the public to be much more connected with the speaker and better understand his words. According to the above, Jenni must improve this ability so that the public takes her speech in a betterway.
Note: This question is incomplete because the options are missing. Here are the options:
1. study 2. is known 3. will still be 4. decide to buy 5. knew 6. would not have gotten 7. must choose 8. would never have occured 9. became 10. will be produced 11. will be 12. is