请选择ABC*Q+u7\6^)d9l3g6Q'H ---Hello, __________ Tom speaking?*T*~5F'{7t2\'z;u7y/}9x+O
---No, __________ David speaking.*T*~5F'{7t2\'z;u7y/}9x+O
A. Are you, I’m*T*~5F'{7t2\'z;u7y/}9x+O
B. is that, this is*T*~5F'{7t2\'z;u7y/}9x+O
C. is this, that is*T*~5F'{7t2\'z;u7y/}9x+O