单选题：Exceptions that are not derived from RuntimeException and Errors

Exceptions that are not derived from RuntimeException and Errors ______. @[A](2)

A. Must be either caught or specified.
B. Need not be caught or specified.
C. Must not be caught.
D. Must not be specified.




A.Must be either caught or specified.
B.Need not be caught or specified.
C.Must not be caught.
D.Must not be specified.


答案：A