Stress can be extremely damaging to your health. Exercise,      _, can reduce its effects.

1. A.
   at the same time
2. B.
   while
3. C.
   though
4. D.
   meanwhile

 Stress can be extremely damaging to your health. Exercise, __________, can reduce its effects.

A. at the same time  B. while         C. though          D. meanwhile

Stress can be extremely damaging to your health. Exercise, _, can reduce its effects.

Stress can be extremely damaging to your health. Exercise, _, can reduce its effects.