Out of them all i would say a
The answer isA.)elements of art
You can have some of mine if they even exist
There are many artistic tasks that the monks and nuns performed at the time. Here are some of such options:
1. painters - given that they had some free time, monks and nuns resorted to painting to kill time
2. weavers - nuns would usually weave or embroider in order to create beautiful patterns of cloths
3. carvers - especially monks did this - carving wooden objects was a good way to both train and entertain themselves