Given that b and c refer to instances of wrapper classes， which two statements are true？（）

A. b.equals（b） returns true.
B. b.equals（c） returns the same result as b == c.
C. b.eqials（c） can return false even if c.equals（b） returns true.
D. b.equals（c） throws an exception if b and c are different wrapper types.
E. b.equals（c） returns false if the type of wrapper objects being compared are different.