根据短文的内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
If you think you’ve gained too much weight or are too skinny, you can talk to a doctor. Your doctor will tell you 1. ______________.
If it is concerned about your height, weight, or BMI (体重指数), your doctor may ask questions 2. ______________. Your doctor may also ask about your family background to find out if you’ve received something from your parents that might make you taller, shorter, or a late bloomer (someone who develops later than other people of the same age). The doctor can then put all the information together to decide 3. _____________.
If your weight isn’t in a healthy range, you will probably get specific diet and exercise recommendations based on your individual needs. Following a doctor’s or dietitian’s plan designed especially for you will work much better than following fad (时尚) diets. For teens, fad diets or starvation plans can actually slow down growth, and the weight loss usually doesn’t last.
What 4. ______________? Most teens who weigh less than other teens of their age are just fine. They may be going through puberty on a different schedule than kids of the same age, and their bodies may be growing and changing at a different rate. Most underweight teens catch up in weight as they finish puberty during their later teen years so there’s rarely a need to try to gain weight.
In a few cases, teenagers can be underweight because of a health problem that needs treatment. If you feel tired or ill a lot, or 5. ____________, or other problems that have lasted for more than a week or two, be sure to let your parents or your doctor know.

A．whether you might have a weight or growth problem.

B．if you have symptoms like a cough, stomachache

C．about your health, physical activity, and eating habits

D．if you’re worried about being too skinny

E. if you take care of it
F. whether you’re growing normally
G. about your dieting