According to the author, the outlook for ending crime is _____.

A．it is urgent to pass laws for gun control in the U. S.
B．people occupying high positions are more prone to crime
C．many criminals are intelligent enough to escape punishment
D．empty houses in the Philippines are often guarded by watch dogs

A．helping to install anti-theft devices
B．raising citizens' consciousness of community safety
C．helping citizens to claim a lost property
D．encouraging citizens to report suspicious events