The answer would be A) Intensity. Because, You are pushing your body to get in all the training it needs in a short amount of time by intensifying the workout.
It's describing the chica, which is singular and also feminine, so therefore we must use la.
I cant see the pic but if its imperfect then it includes: age,time,emotion,etc.
Answer:1. Estoy muy cansada 2.Eres un buen jugador 3. Ella esta en el estado im not sure of this one. 4.Estamo acupados el sabado
Explanation: