Numbers that us talk about the order of things

Decide si la siguiente oración es correcta o incorrecta. la ropa es lavada por mamá. correct or inccorect?

¡hable más lentamente, por favor! a. his friend b. his parents c. his teacher d. his classmates

Choose the sentence that accurately expresses a hurt back. me duele la mano. me duele la espalda. me duele el cuello. me duele el brazo.