B) estamos leyendo
You have a book in your hands meaning you are reading
José es en estados unidos un buen profesor en un colegio
The answer is A, seras since you needed to conjugate it for the noun tu
1. No hables.
2. No lo vendas.
3 No salgas.
4 No lo hagas.
5 No vayas.
Just look up the book in spanish. type "Libro de piratas del caribe y el mapa secreto" on google and i'm sure the whole book will come up just gotta browse all the way to the 4th chapter.