单项选择题
A．he loved music B．he liked his sister C．he didn't want to make a noise D．he didn't feel well
A．Wolfgang loved the piece so much B．Wolfgang was playing in the darkness C．Marianne had never played the piece so beautifully D．Marianne was washing dishes in the kitchen
A．his sister was taking lessons B．he had to help his mother C．he was too small D．he had to wait for sister to finish practising