(37秒到1分20秒）Now, part of the reason for this is that we've invested a huge amount in nuclear deterrents. But we've actually invested very little____________. We're not ready for the next epidemic.

The number about reported thefts and convictions is used to illustrate that______. A: thefts have decreased considerably B: crime does not pay C: crime rate has risen D: legal deterrents are not strong