Read the selection and the question, and then choose the option that best answers the question. Soy Marta y no estoy bien. Me duelen el estómago y la cabeza. Para el estómago, el doctor quiere que yo no coma pasteles o galletas y tengo que beber más agua. Based on the text, what is the doctor's recommendation?
A) She needs an X-ray.
B) She needs bed rest.
C) She needs a better diet.
D) She needs more exercise.