Which permissions and ownership should the file /etc/pa…

Which permissions and ownership should the file /etc/passwd have?

A.
-rw——-1 rootroot531 Jun 5 22:45 /etc/passwd

B.
-rw-r–r–1 rootroot531 Jun 5 22:45 /etc/passwd

C.
-rw-r–r–1 11531 Jun 5 22:45 /etc/passwd

D.
-rw——-1 11531 Jun 5 22:45 /etc/passwd