What is the casualty number of the accident

A．It proceeded as planned lest further trouble should be aroused.
B．It was so arranged as to appeal to the Fantasy.
C．It was a decision made by the concert organizers.
D．It was public opinion.

A．Insufficient gates to the concert hall.
B．Unreserved seat tickets.
C．Unpunctuality of the ticket office workers.
D．The lack of policeman to keep order.