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
A call will be made by my friend to me.
Hey there Freddie!
The word (aesthetic) means either art or something that would be very pleasing to look at, or/and also a set of underlining principles of guidings.
Do some research to support what you will say, don't plagiarize. Have contect to support your case.