#1: Autobiography and Memoir have this in common:

Athey are both told in chronological order

Bthey are both written in the first person

Cboth of the above

Dneither of the above

#2: Biography and Autobiography have this in common:

Athey are both written in third person

Bthey are both written by the person whom the book is about

Cthey are both about a person's life, from birth to present or death

Dnone of the above