Sam has been spending a lot of time at crew practice. Which of the following statements shows how Sam's girlfriend could be a negative influence?

A: "we never get to have fun anymore. Do you really want to be on the team?"

B: "make sure don't over exert yourself. I've noticed you are really tired each day."

C: "did you remember to stretch? That might be why your arms hurt after the race."

D: "try to keep a moderate pace instead of pushing to win. Your health is more important."