Answer: I was at the movies with Mr. Finch. When we came back (at about 10:15 p.m.) I saw a car parked in your driveway.
Explanation: it wasnt needed for them to tell the time not needed info hope it helps
What where is the choice or they want a explanation
Finalmente,espero que te sea util:)
The author is using a simile to express how her memory has become blurry.