单选题 The first step in planning a marketing strategy for a new product is to analyze the breakdown of sales figures for competitive products.

【正确答案】 C

【答案解析】画线词breakdown在此的意思是“细目，细节分项”，与英语的itemization of同义。辨义：A．decrease in减少、下降；B．reordering of重新订购；D．collapse in崩溃、暴跌。