Which statement best describes Colin's character in The Secret Garden?

A)Colin is a round, dynamic character who changes because of his interaction with Mary and Dickon.

B)Colin is a flat, static character who changes because of his interaction with Mary and Dickon.

C)Colin is a flat, static character whose role is to be the opposite of Dickon.

D)Colin is a round, dynamic character whose role is to be the opposite of Dickon