While training , like running , the same time and distance every day is admirable , you can get better results by varying your training . One of my training buddies , who used to compete in cycling on an international level , showed me how to use interval training to improve my running . Instead of plugging with distance running , I would run for one minute and walk for one minute over the same distance .
According to the above context, choose the best option to answer the following question.
Question: What does my friend think I should know ?
Options:
A. None of the above choices .
B. I will get the most out of my training if I run the same distance for one minute every day .
C. I am at least as good as other runners competing at an international level .
D. I can achieve greater outcomes with a diversity of training techniques .


D