单选题：File access is protected by _____

File access is protected by _____@[B](1)
A. both user access rights and user priority
B. both user access rights and file attributes
C. both user priority and file attributes
D. both file attributes and user password




A.both user access rights and user priority
B.both user access rights and file attributes
C.both user priority and file attributes
D.both file attributes and user password


答案：B