单选题jim ,a domino programmer, want to determine the number of working days in a year. Which one of the following formula should he use?（）A@days B@holidays C@wokdeddays D@businessday
题目
单选题
jim ,a domino programmer, want to determine the number of working days in a year. Which one of the following formula should he use?（）
A
@days
B
@holidays
C
@wokdeddays
D
@businessday