Which Statement(s) Is/are True of Custom-Made Mouth Protectors

Which statement(s) is/are true of custom-made mouth protectors?

A) Athletes prefer the custom-made mouth protector over mouth-formed and stock mouth protectors.
B) Custom-made mouth protectors are less expensive than mouth-formed or stock mouth protectors.
C) Custom-made mouth protectors are less likely to interfere with speech than mouth-formed or stock mouth protectors.
D) A and B are correct.
E) A and C are correct.