This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to shake off a bad mood
Exercise.
Bad moods can lead to lowered energy. However, exercise cannot only help you feel more energetic, but it can help turn your bad mood around.

Select from: a). Exercising can inspire you to get rid of bad moods. The benefits of exercise include : Increased mood. b). Consider exercising for three hours every day , 15 to 20 minutes before work, or 10 to 15 minutes after work, each with its own health health benefits. If it's cold outside, take a short nap. c). Try traditional types of exercise such as playing sports, running, walking, lifting weights, and doing sit-ups. Or, if you are feeling adventurous, try fun physical activities such as: doing yoga, dancing, hiking, rollerblading or skating, skateboarding, paddle-boarding, bowling, and kayaking. d). You should exercise most days so that your bad mood goes away. Start by doing brief exercises in the morning.
The answer is:
c).