The nurse is teaching a class for clients who jog in the park during warm weather. The nurse concludes that further teaching is necessary when a client makes which statement?

a. "I should drink plenty of water while jogging in the heat."
b. "I can keep jogging if I am not sweating."
c. "I should stop jogging if I become flushed."
d. "I should rest and drink water if I get dizzy."