help me please and thank and i will get u 5 stars

Look at these details from a paragraph about the same topic:
• Deep breathing can lower your stress level and heart rate.
• You can feel more relaxed after deep breathing.
*Practicing deep breathing helps keep your muscles healthy.
Choose the main idea that ties all the details together.
A. Deep breathing is good for your health.
B. Deep breathing can help you fall asleep more easily.
C. There are many different ways to get rid of stress.
D. Deep breathing is relaxing and can slow your heart rate.​