Having you ever ______ in front of thousands of people at a concert, with everyone _____ while you were singing?

A．dreamed of to be; clapped

B．dreamt to be; to clap

C．dreamed of being; clapping

D．dream of being; to be clapping

拧桥梁、灯塔、高速公路栏上的螺丝是犯罪吗？