Question

Teresa grabbed the bug spray. She remembered the last time she went on a picnic and forgot to take the bottle. It had resulted in a long, itchy, and miserable night. What idea is implied in this paragraph?

Answer 1

The idea that is implied in this paragraph is that Teresa was bit by bugs on her last picnic. 
That is why she now remembers to bring the bug spray so as not to get bitten again. 

Answer 2

The option for this question are:

A. Teresa does not like going on a picnics

B. Teresa doesn't sleep well at night

C. Teresa often run out of bug spray.

D. Teresa was bit by bugs on her last picnic

Answer: D) Teresa was bit by bugs on her last picnic

Explanation: In the given lines we can see tha Teresa is going to a picnic and she remembers to grab the bug spray, she says that last time she went on a picnic, she forgot to take the bottle, and as a consequence, she couldn't sleep that night because of the itch, from that information we can infer that the implied idea in the paragraph is that Teresa was bit by bugs on her last picnic.