A sounds like the most likely answer, since it shows that she cares for him and wants to do something special for him.
Answer:
Barbara's mistake was trusting the ad and not double-checking it to see if it was a scam or not. She just immediately started to enter her credit card information. She could've inspected the ad more and she would've seen it was fake. Barbara should cancel her credit card moving on and also learn a lesson about spending her money online. Next time if she wants to purchase a movie online, look at a site that has good reviews. This might help her out.
Explanation:
:)
Knows little. 2 and 3 are both presuming too much, as it's the writer's duty to get them interested and informed. 4 basically doesn't matter, and furthermore may not even apply in many forms of writing. 1 is the best answer, as writing for general audiences is intended to inform and expand the horizons of the reader.
The correct answer is B! Good luck! Hope this helps! <3