This is a question with answer options. Goal: How to lsoe weight by exercising

Which of the following methods is more reasonable for accomplishing this goal?

Options are:
(A). Simply between a few exercises: think jump rope, squats, mountain climbers, and squat jumpsthen do each for 20 seconds as hard and fast as you can (while maintaining proper form, of course), then do the one you choose for 5 minutes once a month
(B). Simply pick four exercises: think jump rope, squats, mountain climbers, and squat jumpsthen do each for 20 seconds as hard and fast as you can (while maintaining proper form, of course), then recovering for 10 seconds and 10 seconds only....I think the answer is
(B).