What does the audience learn from this part of the dialogue in the drama?

CHASUBLE:
It's pleasant, is it not, to see so perfect a reconciliation? I think we might leave the two brothers together.
MISS PRISM:
Cecily, you will come with us. (eyes ALGERNON and scans him from head to toe.)
CECILY:
Certainly, Miss Prism. My little task of reconciliation is over.
CHASUBLE:
You have done a beautiful action today, dear child.
MISS PRISM:
We must not be premature in our judgments.
CECILY:
I feel very happy. (They all go off except JACK and ALGERNON.)

A.
Miss Prism wonders where Algernon purchased his clothes before his arrival.
B.
Miss Prism wishes to give the two brothers time to privately speak to each other.
C.
Miss Prism has reservations about Algernon and shows her crticism of Jack's brother.
D.
Miss Prism believes Algernon is a handsome and respectable gentleman like Jack.