单选题
Mike: You know, I'm a little uncomfortable with speaking English to foreigners. Jane: Why? How're you ever going to become fluent if you don't try to use the language? Mike: ______ Jane: Don't worry. You can become good at English if you learn to be a little more active. A. But I always feel that people are watching me! B. You must develop a feeling of being more comfortable. C. I will try to practice pronunciation more. D. I want to visit my English teacher.