You may have a mental health problem if you: a. have experienced prolonged sadness for no specific reason b. feel that your life is out of control c. have had severe sleep disturbances d. any of the above for an extended period of time

You may have a mental health problem if you: D. Any of the above for an extended period of time

The answer is all of them because all those are mental Health that you have inside you and how you feel Like your Emotion, Feeling, And your Acting.

i don't think so because different teachers have different materials. tehy teach differently, unless you know for sure your teacher is the exact same as others. i would just contact ur teacher