答案及解析：[单选题]A study enrolls 5400 patients with hypertension, then follows them for 20 years to see which ones de - 医药卫生网课答案- 答案窝(daanwo.com)-大学生作业答案及考资分享平台

问题：

[单选题]A study enrolls 5400 patients with hypertension, then follows them for 20 years to see which ones develop a stroke. This is an example of a:

A.
Analyses of secular trends
B.
Randomized controlled trial
C.
Prospective cohort study
D.
Case-control study