Answer:
When people put their money in the bank to save it other people can borrow that money. As they pay it back you won't loose money and the bank will earn in interest. So as long as people are putting their money into the bank others will be able to borrow when tight on money. This is similar to herd immunity because as long as a greater number are doing it the minority that can't will be protected.
The correct answer for this question would be C) Will have been throwing or the third option because the definition of verb is doing something and progressive is in progress, so like in motion, so that's why its C) because the person will have been is the progressive and throwing is the verb.
They went hiking in colorado about a month ago