Marcus Felt Clearer About His Attitude Regarding a School Policy

Marcus felt clearer about his attitude regarding a school policy after meeting with other students about it.The change came about because ________.

A) others' arguments about the policy seemed quite strong
B) others were able to explain the policy to him
C) he realized how the students at the meeting were dissimilar to him
D) during the meeting,the school seemed ambivalent toward its own policy
E) he was able to repeatedly express his own attitude about the policy