50. Which of the following statements is/are true of alcohols? I: alcohols are characterized by the presence of the hydroxyl group (-OH); I: the systematic name for an alcohol is obtained by replacing the final -e of the parent hydrocarbon with -oxyl; IIl: alcohols usually have much lower boiling points than might be expected from their molar masses.
(A) Ill only
(B) II only
(C) I only
(D) I and III
(E) I and 2