Please Read Passage and Answer the Questions That Follow

Please read passage and answer the questions that follow.
You need a balanced diet. Eat a good breakfast. To maintain your weight, balance your calorie intake with your energy needs. To lose weight, have fewer calories than your energy needs. Avoid foods high in fat, oil, and sugar. Also avoid salty foods and "crash" diets.
Most adults need 7 to 8 hours of sleep daily. Fatigue, lack of energy, and being irritable mean you need more rest and sleep.
-How many hours of sleep do most adults need each day?

A) 3 to 4
B) 5 to 6
C) 7 to 8
D) 9 to 10