Collections of Fungi Made Over Many Decades or Centuries Provide

Collections of fungi made over many decades or centuries provide a record of environmental pollutants that were present when the fungi were growing.Which of the following is not a possible application of such data?

A) To monitor effectiveness of pollution cleanup programs
B) To assess effects of environmental pollutants in the past
C) To measure past CO₂ levels
D) To identify fungi with potential to take up particular environmental pollutants
E) None of the above, all are possible applications.