A．the worry about terrorist attack was totally unnecessaryB．the government had been well prepared for possible security problemC．the government bad been too optimistic about its anti-terrorism effortsD．the legislators usually could do nothing except making empty talks
A．the worry about terrorist attack was totally unnecessary
B．the government had been well prepared for possible security problem
C．the government bad been too optimistic about its anti-terrorism efforts
D．the legislators usually could do nothing except making empty talks