请选择ABC4b+V.K+\*G;g/a Are you ready ____ lunch, David? ____ yet, Mum.:A/u;e/}4x'w:^
A. to, No:A/u;e/}4x'w:^
B. for, isn't:A/u;e/}4x'w:^
C. for, Not:A/u;e/}4x'w:^