To Obtain Information on Eligibility to Work, It Is Preferable

To obtain information on eligibility to work, it is preferable for employers to ask

A) if applicants are over 18 or the required age minimum of a particular job (e.g., bartender) .
B) applicants' date of birth to obtain specific information.
C) the date of high school graduation, as there is less variability in dates of high school attendance.
D) the date of college graduation, as there is more variability in dates of college attendance.