—To make your own study plan is a good way to become a top student. After your plan______, you should correct it from time to time, and then it will be more helpful.

A．comes out

B．watches out

C．finds out

D．comes up with

低血钙症

A．肠套叠病程36小时，全身情况可
B．肠管坏死，极度危急时
C．口服碳片8小时后由肛门排出
D．果酱样血便
E．肠套叠病程56小时