My answer would be B, because studying is the better way know more deeper about how to start working, so if you want an employ and you have a degree it's easiest than when you don't have it, now there are people that not even studied and they are rich, but this doesnt apply for all the cases.
An Islamic construction that is a tomb, but not a mosque is a building called Taj Mahal. The Taj Mahal was build in 1631, and it still stands today. It was created by the emperor Shah Jahan. Today, the Taj Mahal stands in india. Below I have attached a pic to show you how the Taj Mahal looks.