"ese libro" is "that book"
"este libro" is "this book"
"aquel libro" is also "that book"
"este libro" is the correct answer because it is stating that the book is near the person talking about that book.
D. ,porque dice que tas haciendo la mama
3. Abrimos
8. Limpia
10. Limpian
13. Abres
Those are the ones I know