However, Serenity was still suspicious because she had not seen Mrs. Longbottom and Carrie appear at the same time.

Her suspicions of Carrie pretending to be Mrs. Longbottom would not be cleared unless she saw the two women together.

Carrie did not wait for Serenity to return.

Since they met by coincidence, it would look intentional if she were to wait for Serenity.

It would be suspicious as well.

Mr. Longbottom had told Carrie that Serenity was investigating her.

Of course, nothing