Answer: B
Perspective is seeing things from a specific point. Aka point of veiw.
Um, I think it is "proper grammar"? Not sure
The first one means that you tried to stop feeling nervous or you tried to swallow so much that you couldn't.
The second one means that you are getting more nervous, or anxious.
Hope this was helpful!!!^_^
A prefix, which is often the first word part.
