She <span>had been working</span> on the project for 2 days before she finished it. So B is the only right one as it's a continuous action before an action with an exact defining past perfect continuous. Also there's a key word "for" that can help us to find out the tense.
Women were expected to cook clean and do house chores. They ere often seen as less important and didn't have a say in much that went on. After the industrial revolution, more women began to work in factories and proved they could work just as well as men. This push was especially popular during WWII when many men were gone fighting.
Answer:
My answer is not concrete however, I believe it is A.
Sorry if this is not correct!
Answer: You could write about two people meeting in a roller coaster next to each other after they were stuck on it for two hours and then after they were unstuck from the ride have them start becoming friends,and going on a date, etc and then they end up getting married and having a family you just need to add your own details :)