Robinson Wiring Co

Robinson Wiring Co. submits a written offer for Turner Construction's use as part of its bid as a general contractor for an office complex. Robinson knows Turner is relying on Robinson's bid. Robinson:

A) can revoke its offer at any time until it is notified that Turner's bid has been accepted.
B) cannot, under the doctrine of promissory estoppel, revoke its bid even prior to acceptance.
C) cannot revoke its offer since it is a "firm offer."
D) can revoke its offer for a reasonable time under the doctrine of "commercial reasonableness."