If an Underwriter Overestimates the Demand for a Firm's Securities

If an underwriter overestimates the demand for a firm's securities in a firm commitment offering,the underwriter can

A) sell the shares back to the issuing firm at a discount.
B) lower the bid price to the issuing firm.
C) increase the fees charged to the issuing firm.
D) cancel the issue and refund the fees paid by the issuing firm.
E) none of the options