Which structural feature is found in the single-stranded DNA molecule

A) It can have a negatively-charged backbone composed of nitrogenous bases. B) Each 3’,5’-phosphodiester bond will contain one phosphate group linking two deoxyribose sugars. C) It can have one end with a 5’-phosphate group while the other end has a 2’-hydroxyl group. D) Each purine and pyrimidine will be paired with a complementary base.