In "Miss Brill"

Which of the following is one of the many  ironies found in this story?

1. Growing old is inevitable

2. Miss Brill carefully watches people around her and makes definite distinctions and even judgments between the young and old; yet doesn`t realize that she is old herself

3. Miss Brill`s hopes, dreams and spirits have been dashed by th callousness of the younger generation.

4. Miss Brill lived in a fantasy world as a way of coping with growing old.

and why did u chose this answer?