challenge: What were the amounts of psilocybin and psilocin detected by Beug and Bigwood in Psilocybe cyanofibrillosa?
  
  A. 0.5 mg/g psilocybin and 0.1 mg/g psilocin
  B. 0.1 mg/g psilocybin and 0.5 mg/g psilocin
  C. 1.4 mg/g psilocybin and 0.05 mg/g psilocin
  D. 0.05 mg/g psilocybin and 1.4 mg/g psilocin
  Answer: 