请选择DCBA)P+r1W.d2S/e6a4O5n7I6t:t当经介绍后认识某人，你应该说：.B-`3B;g3?,m2{;~5b6B
A. Good morning.B-`3B;g3?,m2{;~5b6B
B. Please sit down..B-`3B;g3?,m2{;~5b6B
C. Thank you..B-`3B;g3?,m2{;~5b6B
D. Nice to meet you..B-`3B;g3?,m2{;~5b6B