.You look tired . working indoors you should be out for a walk.A. Because ofB. Instead ofC

.You look tired . working indoors you should be out for a walk.
A. Because of
B. Instead of
C. Thanks to
D. As for

(答案→)A. Because ofB. Instead ofC. Thanks toD. As for解析：句意：由于在室内工作你看起来很累，你应该出去散步。A .Because of 由于…..后加名词 代词动名词 B. Instead of 代替而不是 C. Thanks to幸亏由于 D. As for 至于，由于。根据题意故选A

和我的回答一样，看来我也对了