A team member notices the project manager that a quality measurement for the project can not be met. What should the project manager do

A) Notify management.
B) Hold a team meeting.
C) Look for alternative ways to meet the quality level.
D) Ask management tp come up with options.

设有选课表，表中包含的字段有：学号C(3)，课程号C(3)，成绩N(3)。查询每门课程的学生人数，要求显示课程号和学生人数，对应的SQL语句为：　　　SELECT课程号，【14】AS学生人数FROM选课表；　　　　　GROUPBY【15】