请选择ABCD0v:m'r7f3c7y8H+C1C'[+H A: ______________-f/f8c1g,@4O1[6\-`4w+H;o0a5l
B: Never mind. What can I do for you?-f/f8c1g,@4O1[6\-`4w+H;o0a5l
A. Don't rush.-f/f8c1g,@4O1[6\-`4w+H;o0a5l
B. Sorry to trouble you.-f/f8c1g,@4O1[6\-`4w+H;o0a5l
C. Can I help you.-f/f8c1g,@4O1[6\-`4w+H;o0a5l
D. No hurry.-f/f8c1g,@4O1[6\-`4w+H;o0a5l