Though the medicine for my disease , I should often at home or in the open air.
A. works out; work out
B. is working; work out
C. is working out; work
D. works; work
网友回答
A. works out; work out
(答案→)B. is working; work out
C. is working out; work
D. works; work
解析：考查动词及动词短语用法。Work out锻炼；计算出；制定；work工作，起作用；句意：尽管这种药对我的病很起作用，在家里的时候我还是应该到户外去锻炼。本题的work指起作用；work out指锻炼。故B正确。