Please identify the politeness strategy or strategies used in each utterance. A. Apologize B. Be pessimistic C. Use in-group identify markers D. Impersonalize S and H E. Minimize the imposition F. Seek agreement or avoid disagreement G. Exaggerate H. Presuppose common ground I. Use hedges J. State the FTA as a general rule K. Include both S and H in the activity (答案填写示例:A; AB; ABC)