Which of the Following Is NOT True of Topical Preparations

Which of the following is NOT true of topical preparations of sulfonamides?

A) Sulfonamide skin lotions are used for seborrheic dermatitis and acne.
B) Sulfonamides have some systemic absorption.
C) Sulfonamides remain as topical agents and are not absorbed as systemic agents when applied topically.
D) Sulfonamides preparations have use as ocular and ophthalmic.
E) Sulfonamides come in powders and ointments to treat burns.