单选题：Which of the following statement is true?
Which of the following statement is true? @[C](2)
A. Adding more classes via import statements will cause a performance overhead, only import classes you actually use.
B. Under no circumstances can a class be defined with the private modifier
C. An inner class may under some circumstances be defined with the protected modifier
D. An interface cannot be inherited.
A.Adding more classes via import statements will cause a performance overhead, only import classes you actually use.
B.Under no circumstances can a class be defined with the private modifier
C.An inner class may under some circumstances be defined with the protected modifier
D.An interface cannot be inherited.
答案：C
A. Adding more classes via import statements will cause a performance overhead, only import classes you actually use.
B. Under no circumstances can a class be defined with the private modifier
C. An inner class may under some circumstances be defined with the protected modifier
D. An interface cannot be inherited.
A.Adding more classes via import statements will cause a performance overhead, only import classes you actually use.
B.Under no circumstances can a class be defined with the private modifier
C.An inner class may under some circumstances be defined with the protected modifier
D.An interface cannot be inherited.
答案：C