He feels that his health owing to a long walk every other day.
A. is improving; taking
B. has been improved; being taken
C. improved; taken
D. is improving; have taken
网友回答
(答案→)A. is improving; taking
B. has been improved; being taken
C. improved; taken
D. is improving; have taken
解析：他觉得每隔一天的长距离散步使自己的健康状况每天都在改善。owing to的to是介词，后面要加名词或动名词，而他散步，是主动的动作，故选A。