Dan is going swimming to get some exercise. Which of the following is appropriate swim safety advice?
A.
If he gets a muscle cramp in his leg, he should try to swim through the pain and immediately swim to shore.
B.
He should go alone so that he doesn't crash into anyone else.
C.
If he is pulled into a current, he should swim toward the shore at a 45-degree angle.
D.
Make sure he takes his medication right before he goes swimming.