The same items need to be saved in one folder otherwise, there might be some confusion that will take place in the long run. When this is not done properly, it can be enough to ruin the whole website. If it would be done correctly, then the whole website can be saved. Based on these two options, which one would you like?
Of course, you want the website to work properly which means that A is the right answer to this question. A ruined website will be closed by people within 10 seconds. Worse, they will tell all the people that they know about it so your website will have a less than likely chance to be visited again.