What is the main point of LynNell Hancock's essay titled Why Do Schools Flunk Biology?

What is the main point of LynNell Hancock's essay titled Why Do Schools Flunk Biology?
 
  a) Researchers have proven that high school science teachers are not teaching biology lessons that are the most useful in everyday life.
 
  b) Administrators overlook the biology of the student, and this is a hindrance to student learning.
 
  c) Students are not learning from their biology lessons because the lessons are too advanced and difficult for the average high school student.
 
  d) Music is a waste of time in a student's school day and should be cut from the curriculum.