Blake Has Subscribed to a Local Charitable Association Where He

Blake has subscribed to a local charitable association where he needs to make a monthly payment of $100. However, a few months later, Blake stops paying this amount. Which of the following exceptions to the requirement of consideration will enforce that Blake pays the amount?

A) Composition of creditors
B) Voluntary subscriptions
C) Forbearance to cancel monthly subscriptions
D) Modification of sales contracts