Which three statements are true regarding custom exceptions in Apex? (Choose three.)

Which three statements are true regarding custom exceptions in Apex? (Choose three.)
A . A custom exception class must extend the system Exception class.
B . A custom exception class can implement one or many interfaces.
C . A custom exception class cannot contain member variables or methods.
D . A custom exception class name must end with “Exception”.
E . A custom exception class can extend other classes besides the Exception class.

Answer: B,D,E