A gratuitous promise differs from a contract in that

a$.$ a gratuitous promise cannot lapse.

b$.$ it does not require the payment of money to the offeror by the offeree.

c$.$ consideration flows only in one direction.

d$.$ a gratuitous promise cannot be revoked.

Question $10$ options:

a gratutitous promise cannot lapse

consideration only flows in one direction

a gratuitous promise cannot be revoked

it does not require the payment of money to the offeror or the offeree