Stressful environment leads to unhealthy behaviors such as poor eating habits, which increase the risk of heart disease.
A. by chance
B. in other words
C. in return
D. in turn
网友回答
A. by chance
B. in other words
C. in return
(答案→)D. in turn
解析：in turn是“依次”的意思：stressful environment→unhealthy behaviors→disease。