Which two are true?
选项：

A: LAST_DAY returns the date of the last day of the month for the date argument passed to the function
B: CEIL returns the largest interest less than or equal to a specified number
C: LAST_DAY returns the date of the last day of the current month only
D: LAST_DAY returns the date of the last day of the previous month only
E: ADD_MONTHS adds a number of calendar months to a date
F: CEIL requires an argument which is a numeric data type