<span>the answer is: The reader learns both that the narrator has an older brother, and his brother and John are older.
Appositive phrase is a noun or noun phrase that renames another noun right beside it. We can see that the writer directly shares the information about his brother by including the information</span><span />
nao tem texto nenhum como vamos saber
I think that its "A biography written by a historian" though A and B are the same answers