Help please, I need help checking these questions

1. Water aerobics is just another form of swimming laps.

A. True
B. False

2. There are scientific studies that prove working out as a group can help improve quality of life

A. True
B. False

3. A barre class focuses on:
(I think it’s d)
A. Strength, intervals, high intensity, and recovery
B. Water walking, bicep curls, and leg lifts
C. Stepping up, around and down from a platform in different patterns
D. Core strength, posture, coordination, and flexibility