Answer:
1. Correct 'C'
2. Incorrect 'I'
3. Correct 'C'
Explanation:
1.) DeMar looked at his magnificent sculpture and declared that it was his greatest achievement to date.----> CORRECT
2.) Private Jones was the newest member of the battalion and had the lowest rank, so when he gave an order it was with great authority. - - - - > INCORRECT - - - - > Private Jones was the newest member of the battalion and had the lowest rank, so when he gave an order it was WITHOUT great authority.
3.) To showcase her family's culture in her presentation, Sabrina included information about the church she goes to, the language her grandmother speaks, and her father's favorite musicians. - - - - - > CORRECT