Which Is True About How Courts Address Equal Protection Cases

Which is true about how courts address equal protection cases?

A) If a law treats different groups differently, the court determines whether the difference in treatment is justified using one of three different levels of scrutiny.
B) If a law treats different groups differently, the law will be invalidated.
C) If a law treats different groups differently, it will be acceptable so long as there is adequate notice to the persons affected.
D) Laws that affect persons differently based on race, gender, or age will be invalidated, while laws that affect persons differently based on other factors will be deemed acceptable.
E) If a law treats a particular group more favorably than others, it will be acceptable, but if a law treats a particular group less favorably than others, it will be invalidated.