Each of the book’s protagonists

[bpgen]

Each of the book's protagonists-Mark Streit, Mary Eby, and Dr. Thomas-has a powerful,
dynamic personality.
(A) Each of the book's protagonists-Mark Streit, Mary Eby, and Dr. Thomas-has
(B) Each of the book's protagonists-Mark Streit, Mary Eby, and Dr. Thomas-have
(C) All the book's protagonists-Mark Streit, Mary Eby, and Dr. Thomas-has
(D) Mark Streit, Mary Eby, and Dr. Thomas-the book's protagonists-each has
(E) Each of the book's protagonists-Mark Streit, Mary Eby, and Dr. Thomas-could have
had

OA A

[thephoenix]

each is the sub so singular verb has only A does that,

each when precede by sub rule of singular verb doesn't follow