单选题
When you are speaking ______. [A] you should make any mistakes. [B] you must speak slowly. [C] it doesn't matter if you make any mistakes.
【正确答案】
C
【答案解析】[解析] 原文第一段的第三行和第四行有明显的表述：“Don't be afraid of making mistakes．But be careful not to let them stop you from improving your English"。