单选题 All parts of this machine are ______ , so that it is very simple to get replacements for them.
A. specialized B. standardized C. minimized D. modernized

【正确答案】 B
【答案解析】[解析] standardize使标准化；specialize使专门化，特殊化；minimize使减少到最少，缩到最小；modernize使现代化。故选B。