Ответ:

1. (A) That was how Maisie met her half brother Ronnie, for the first time.

2. (C) Until that day, Maisie had had no idea that Ronnie even existed.

3. (E) Sometimes she felt so alone and abandoned without any other relatives.

4. (B) She has already met her sister-in-law Janet, and spoken on Skype with several nephews and nieces in Canada.