The table shows the number of calories that two people burn when they perform various exercises for one hour each.

When does a 600-calorie meal exceed the number of calories burned in two hours?
A.)when a 200 lb person plays basketball
B.)when a 160 lb person does aerobics
C.)when a 200 lb person walks at 3.5 miles per hour
D.)when a 160 lb person plays volleyball