单选题 Fortunately, when my car broke down in the country, I had my mobile with me.
【正确答案】 C
【答案解析】accidentally：偶然地，意外地；fatally：宿命地，致命地；luckily：幸运地；by chance：偶然地；巧遇地。题中fortunately意为“幸运地”，故选C。