Excited Over Their Impending Marriage, the Parties Overlooked the Expiration

Excited over their impending marriage, the parties overlooked the expiration date of their marriage license but just the same the marriage was solemnized two days after its expiration date. The marriage is:

A) valid there being a marriage license validly obtained by the parties.
B) voidable there being a defect in the formal requisite.
C) valid there being only an irregularity in the marriage license.
D) void in the absence of a valid marriage license.