Well the Candombe drums are one.
I think is ESTA, or ESTAR.
Quien Batea in english is - Who hit?
Con que batea in english is - With batting?
And personally, i don't know how to answer it because, it doesn't make sense, so yeah.. but yeah hope i helped...
It would be c. because the other options don't need "a" after it.
You mean ñ because you can just look up the alphabet
el alfabeto con la letra ñ