This novel was concerned＿＿＿＿the Second World War, while most teenagers are more concerned＿＿＿ the hero’s love story.
A. with; for
B. with; with
C. for; about
D. about; with
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(答案→)A. with; for
B. with; with
C. for; about
D. about; with
解析：本题考查介词。句意：这本小说讲的是第二次世界大战，然而大部分青少年更加关注英雄们的爱情故事。be concerned with与……有关；be concerned for关心。