D. The Kennedy Family was very wealthy / Kennedy has great charisma
Explanation:
As seen in the first 1960 presidential debate, Nixon lacked the charisma Kennedy had when talking to people on TV. However, the people listening on the radio thought Nixon won, and those on TV, thought Kennedy won.
"C. After 15 minutes" would be an appropriate time to suggest a client begin to monitor his or her pulse after beginning an exercise, since this gives enough time for the heart to become acclimated with the new pace.
