单选题 After interviewing all candidates in the afternoon, Mr. Clark was ______ able to narrow the choice down to three promising applicants.

【正确答案】 C

【答案解析】[解析] 词汇：副词
1．这是一道词汇题，选项均为副词。
2．和空格前内容相符合的为C选项finally，意为“最终……”。