（）别人跟你说“I'msorry.

请选择CBA7G2D-{0t4S)W9k/r3@'b/`+R 别人跟你说“I'm sorry.”你应该回答：4N1c2L1A8w*P/V,s2c9M8z3w8F/P;t

A. Come in.4N1c2L1A8w*P/V,s2c9M8z3w8F/P;t

B. Oh, no.4N1c2L1A8w*P/V,s2c9M8z3w8F/P;t

C. It's OK.4N1c2L1A8w*P/V,s2c9M8z3w8F/P;t