Write a multi-choice question for the following article, with the given choices and answer: Article: Running a marathon Have you ever taken part in a marathon? A marathon is 42km long. It is the longest race in the world. To make the runner's body work, harder training is quite necessary. A runner should start to prepare for a marathon at least three months before. Preparation may have races, many hours of running at different speeds and changes in diet . During the training time the runner must eat a fit diet. The diet should have lots of things needed in training the players. In the early days of training, runners run 80km per week. The running is increased every two or three weeks and at least two long runs per week are needed. Two weeks before the marathon, the training programme becomes less, from 100km per week down to 60km and then to 30km in the final week. On the last two days they may not run at all. Breakfast should be eaten at least three hours before the race. Easily digested food such as cereal , toast and scrambled egg is best, with as much fluid as possible. Runners should drink water about half an hour before the race to keep up the body fluid. Options: A training at different speeds and changes in diet B much water C lessons before the race D many fruits Answer: A training at different speeds and changes in diet Question:
Answer:
Players must have _ in order to run better in a marathon.