Which sentence is punctuated correctly?
A.
Of all his friends—Jack, Mia, Louis, (Jack) was the only one he had known since kindergarten.
B.
Of all his friends (Jack, Mia, Louis), Jack was the only one he had known since kindergarten.
C.
Of all his friends Jack, Mia, Louis—Jack was the only one he had known since kindergarten.
D.
Of all his friends Jack, Mia, Louis, Jack was the only one he had known since kindergarten.