This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to kickstart your metabolism through diet
Eat quality meat proteins.
Protein is the main nutrient needed for muscle development. Muscle tissue burns more calories than fat tissue.

Choices:
a). Increasing your muscle mass helps you not only to lose weight but also improves your metabolism. To get more protein in your diet, incorporate more meat proteins into your daily routine..
b). In order to be healthy, lean meats like fish or poultry provides good benefits including bone health. Good sources of protein include: poultry, eggs, pork, fish, lean beef, seafood, low fat dairy products and poultry..
c). Don't cut out or cut out major fat. Studies show that those people who eat plenty of protein are happier than those who cut out and eat only lean protein..
d). Eating good protein is an excellent way to begin increasing your metabolism. Watch food plates as you eat to monitor your food intake..
The answer is:
a).