Which sentence is correctly punctuated?
AThe current time is 7:18 P.M.
BTheir baby was born at 2.00 A.M.
CThe earliest flight leaves at 505 A.M.
AThe current time is 7:18 P.M.
BTheir baby was born at 2.00 A.M.
CThe earliest flight leaves at 505 A.M.