Merve: I want to start a new sport. I can't decide between swimming and tennis.
Elif: Swimming is good for your whole body. You use your arms, legs, and back. Tennis is more for your arms and legs. Also, swimming is safer because there is less risk of injury.
Merve: I have a knee problem. So, swimming is better for me.
A)Tennis works more muscle groups than swimming.
B)Swimming is safer than tennis according to Elif.
C)Merve decides to play tennis.
D)Elif thinks tennis is better for Merve's knee.