请选择CBA,v8C6r'`)|-Hello,Bill? 一No, _______. .1{4o/P'e6G-u;[)m
A. this is Sam1{4o/P'e6G-u;[)m
B. I am Sam1{4o/P'e6G-u;[)m
C. I'm Sam1{4o/P'e6G-u;[)m