, follow the directiom on the bottle carefully.
A. Takes medicine
B. To take medicine
C. When one takes medicine
D. When taking medicine
网友回答
A. Takes medicine
B. To take medicine
C. When one takes medicine
(答案→)D. When taking medicine
解析：本题考查非谓语动词。句中follow the direction on the bottle carefully.为祈使句，省略主语you，故逻辑主语与take之间为主动关系，故用现在分词。句意：当服药的时候，仔细遵照瓶子上的说明。