The abbreviations for the following are:CIA, USPS, DHS
What are the options?
A good question would be : What was the main idea?
Answer: a is the right sanswer
Explanation: a is correct due to the fact that someone had to make an infrence as to why the bugs got in, so when they infrenece that the bugs had to get in somehow, therefore they concluded that someone left the door open.
Hope this helps
