单选题 The chairman made a(n) ______ statement before beginning the main business of the meeting.
【正确答案】 C
【答案解析】[解析] 形容词词义辨析。根据介词before判定,在the main business of the meeting前的陈述,是preliminary(初步的;开始的;预备的)陈述。故答案为C。