Which One of the Following Groups of Drug Administration Routes

Which one of the following groups of drug administration routes includes one which is not parenteral?

A) intravenous, subcutaneous, intrapleural, intracarticular, epidural
B) intravenous, orally, subcutaneous, intrapleural, vaginally
C) intravenous, vaginally, subcutaneous, intracarticular, epidural
D) intravenous, intrapleural, orally, intracarticular, vaginally