（）Hello!IsthatLiuTao?Yes,___

请选择CBA.P3s*s6L1@+t1E'V)C)[ Hello!Is that Liu Tao? Yes, ________ Liu Tao speaking.)~,D9a*o9s4u7Z1P2{/T/r(L

A.I am)~,D9a*o9s4u7Z1P2{/T/r(L

B. That is)~,D9a*o9s4u7Z1P2{/T/r(L

C. This is)~,D9a*o9s4u7Z1P2{/T/r(L