Stress can be extremely damaging to your health. Exercise, , can reduce its effects.
A. at the same time
B. while
C. though
D. meanwhile
网友回答
A. at the same time
B. while
C. though
(答案→)D. meanwhile
解析：考查连词。at the same time同时； while然而；though尽管；meanwhile与此同时。句意：紧张可能非常损害你的健康，与此同时，也能减少它的影响。