studious ..(on/in/non) ?

Question

brooklynsshaw · Answer

Could you give a bit more detail about the question?

anonymous · Answer

chose

helpkay · Answer

here it the defiiction 
stu·di·ous
ˈst(y)o͞odēəs/Submit
adjective
spending a lot of time studying or reading.
"he was quiet and studious"
synonyms:	scholarly, academic, bookish, intellectual, erudite, learned, donnish
"a studious nature"
done deliberately or with a purpose in mind.
"his studious absence from public view"
synonyms:	deliberate, willful, conscious, intentional
"his studious absence from public view"
showing great care or attention.
"a studious inspection"
synonyms:	diligent, careful, attentive, assiduous, painstaking, thorough, meticulous

so I would say in because it sounds like there really into somthing

brooklynsshaw · Answer

I agree^ if you're studious, you are studious IN something rather on or non