Curtis is tracking the amount of calories he is consuming each day, along with his amount of exercise. He also takes his basal metabolic rate into consideration, which is 1,800 calories per day. At the end of the first day, he has consumed 2,600 calories in food and beverages and burned 240 calories on a five-mile bike ride, giving him an excess of 560 calories in vs. out. What will most likely be the outcome if Curtis continues this pattern for multiple weeks?

A. He will gain weight.
B. He will lose weight.
C. His weight will stay the same.
D. His weight will shift up and down.​