Comco, Inc. became the leading supplier of computer ______ last year, less than ten years after it was founded.
 
【正确答案】 D
【答案解析】 本题考查名词辨析。句意为:康可公司去年成为计算机零部件的主要供应商,这距它成立不到十年,故选择parts。其他选项的词义不符合句意。