Mary Promises to Pay Her Assistant Ned $10,000 in Consideration

Multiple Choice

Mary promises to pay her assistant Ned $10,000 in consideration of the ser?vices he provided over the years.Mary never pays Ned.Mary is

A) liable for payment of the $10,000.
B) liable only if Ned still works for Mary.
C) not liable,because the consideration is in the past.
D) not liable,because the consideration was unintentional.