I'm so sorry I don't know what to say. You should talk to them about it, tell them how you are feeling. I fear it is a little too late as I am replying months later. Please don't do anything rash. I know you are tired and you feel like giving up but you have to keep going and pushing. Don't ever give up! I know you can handle this! If you ever feel nobody cares and nobody is supporting you, just know I am here for you.
Answer:
C. Systems of classification can be adapted in many ways when new scientific evidence is discovered .
Explanation:
A physician uses Body Fat Percentage to evaluate the status of a patient's body composition.