单项选择题A．He used to be a workman himself.B．He likes to do things himself.C．He is professional builder.D．He paid workmen to decorate the house.

单项选择题A．The ice was cut and handled with the help of some special tools.B．The ice was taken from the flowing river with hooks and carried by sleds to icehouses.C．The ice was carried on the frozen surface of the pond or river.D．The ice was sawed into even blocks by workers.