--Listen! Kate is playing the piano in the next room.
--It _______________be Kate. She has gone to Hangzhou to visit the Cross-sea Bridge.
A. needn't B. mustn't C. can't D. shalln't
--Listen! Kate is playing the piano in the next room.
--It _______________be Kate. She has gone to Hangzhou to visit the Cross-sea Bridge.
A. needn't B. mustn't C. can't D. shalln't
C