A.) Miep and Mr.Kraler
Mr. and Mrs. VanDaan joined Anne Frank and her family while they are in hiding. Therefore, they could not have protected them and brought them food since they are hiding too. Margot is Anne's sister so she was also in hiding. This leaves the only option as option A, Miep and Mr. Kraler. They were people that Mr. Frank trusted with their secret. Miep and Bep actually found Anne Frank's diary and kept them safe.
The dominant impression is one of loneliness. He is condemned to spend his life in exile, but loneliness makes it even harder, as he is not allowed to see anyone. Everybody he has ever loved is dead. The fact that he had experienced love, friendship, joys, makes it even worse for him. He will spend the rest of his days with sorrow as his only companion.
What do you need help with? it helps to know the problems! Just saying.
the answer is b........................................................................