When the grace period expires，the contact( )． A: annulled B: being annulled C: annull D: is annulled

When the grace peroid expires, the contract （） A: annulled B: being annulled C: annull D: is annulled

When the grace peroid expires, the contract ( ). A: annulled B: B. being annulled C: annull D: D. is annulled