Oh ok sorry for misinterpreting your question. Yes definitely she can sponsor you but icecool said, showing/getting sponsor from someone from Canada might have negative impact (not always!) on your application since it can make VO think that you might be not return back to your country. Obviously you have the scope of showing your country tie like properties, parents, job, etc. Just remember, as long as you have good intention and proper documents, you will always get the permit