which two actions can you use the TO_DATE function?

For which two actions can you use the TO_DATE function? (Choose two.)

A.
format ‘January 10 1999’ for input

B.
convert any numeric literal to a date

C.
format ’10-JAN-99′ to ‘January 10 1999’

D.
convert any date literal to a date

E.
convert any date to a character literal