【单选题】During the first week, do not think about distance, but run five minutes longer each day. ___3___, it is wise to take a day off to rest. But during the next week, set a goal of at least a mile and a h...
A.
After six days
B.
For a good marathon runner
C.
Before you begin your training
D.
With each day, increase the distance by a half mile
E.
If they still feel good, you can begin running in them
F.
Time spent for preparation raises the quality of training
G.
Now you are ready to figure out a goal of improving distance and time