Last night I dreamed of an old lover I had not seen him in forty years.

Question

When I awoke,
I saw him on the street his hair was white, his back stooped
How could I say hello?
He would have puzzled all day about who the young girl was who smiled at him.
So I let him go on his way.
Grandmother let her former lover go on his way because she thought he
(1) was too old
(2)
wouldn't know who she was
(3)
was senile
(4)
was someone else
(5) would be embarrassed if she spoke to him

Answer 1

(2) wouldn't know who she was