Which sentence is correctly punctuated?
AWrite to me at Camp Cedarcrest, Box 443 Littleton, NH 03561.
BWrite to me at Camp Cedarcrest, Box 443, Littleton, NH 03561.
CWrite to me at Camp Cedarcrest Box 443 Littleton, NH 03561.
DWrite to me at Camp Cedarcrest, Box 443, Littleton NH 03561
is it A?
AWrite to me at Camp Cedarcrest, Box 443 Littleton, NH 03561.
BWrite to me at Camp Cedarcrest, Box 443, Littleton, NH 03561.
CWrite to me at Camp Cedarcrest Box 443 Littleton, NH 03561.
DWrite to me at Camp Cedarcrest, Box 443, Littleton NH 03561