Answer:
a
Explanation:
It's the only one that makes sense the way you wrote it. I'm assuming the part under A is the rest of the sentence.
Hello
Yo compré libros y Ana LOS compró también.
Best regards
What are the options, where’s a and b
This is correct. This is a reflexive verb that you are doing to yourself. This translates to, "Normally I brush the hair". If it was something like "Normalmente me cepillo el pelo de Anna" it would be incorrect because you are doing it to Anna, not yourself.