On a system using shadowed passwords, the most correct permissions for /etc/passwd are ___ and the m

On a system using shadowed passwords, the most correct permissions for /etc/passwd are ___
and the most correct permissions for /etc/shadow are ___.

A.
-rw-r—–, -r——–

B.
-rw-r–r–, -r–r–r–

C.
-rw-r–r–, -r——–

D.
-rw-r–rw-, -r—–r–

E.
-rw——-, -r——–