Which of the Following People Has Exceeded the Recommended Guidelines

Multiple Choice

Which of the following people has exceeded the recommended guidelines for activity?

A) A 36-year-old man who engages in bike riding and has a pulse rate of 137 during activity
B) A 45-year-old woman who swims and has a pulse rate of 145 during activity
C) A 50-year-old man who jogs and has a pulse rate of 120 during activity
D) A 60-year-old woman who walks briskly to achieve a pulse rate of 135 during activity