Which of the following statements best describes the organization of the author's discussion of the role political knowledge plays in the formation of political ideology during adolescence
A．He acknowledges its importance, but then modifies his initial assertion of that importance.
B．He consistently resists the idea that it is important, using a series of examples to support his stand.
C．He wavers in evaluating it and finally uses analogies to explain why he is indecisive.
D．He carefully refrains from making an initial judgment about it, but later confirms its critical role.