单选题 Many architects prefer to work on ______ own because they can concentrate better without distractions.
【正确答案】 C
【答案解析】[解析] 语法：代词
1．这是一道词汇选择题，选项均为代词。
2．on one"s own意为“独立地、独自地”。
3．on one"s own和by oneself含义相同。