请选择CBA4x6D4f,w3~.k 当你想知道别人是否有钢琴时，问：'P1g9u,E3q/J,I8D3\
A. Have you got a dictionary?'P1g9u,E3q/J,I8D3\
B. Have you got a piano?'P1g9u,E3q/J,I8D3\
C. May I use your piano?'P1g9u,E3q/J,I8D3\