单选题 A {{U}}commentary{{/U}} on current business trends and activities is put forward; past performance of past activities is studied to focus on the future.
【正确答案】 C
【答案解析】[分析] 名词辨析 commentary 评论，实况报导；A．dictation听写， 口述；B．fiction虚构，小说； C．annotation 注解，评注；D．illusion幻想；因此C为答案。