Last weekend, Tom and Linda went shopping outside and went on spending until their money was_________.

A．at the end

B．at an end

C．by the end

D．in the end

肺癌斜野照射，源皮距对好100C、m后，不要()

A、转机架 

B、转机头 

C、调整铅门 

D、再升降床 

E、转床