A.Typed if there typed then that is still okay but it is informal letters informal things are not usually typed
Her Dad gave that diary to her for one of her birthday's and she often wrote in it to express her hope as well as to document the experiences her, her family and friends had.
Answer:
It would include information about the person, his/her name, place of residence, education, occupation, life and activities, as well as other important details. It is the story of the person, always written by someone else and never by the person about whom it is written.
Your first option is correct.
EXPLANATION:
your first option is correct because this is a grammar question. When you use "an" you're using it in front of a vowel. The only sentence starting with a vowel is the first one. The others don't sound right when you use "an" in front of it instead of "a".
I hope I helped! :)
