单选题

计算每位学生的多学科加总成绩的SQL是_____

Question

A. select sum(score) as total,stud_name from [成绩表](nolock)

B. select count(score) as total,stud_name from [成绩表](nolock)

C. select sum(score) as total,stud_name from [成绩表](nolock) group by stud_name

D. select count(score) as total,stud_name from [成绩表](nolock) group by stud_name