Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) Underwriters appear to use the information they acquire during the book-building stage to intentionally underprice the IPO,thereby reducing their exposure to losses.
B) The bluetooth option allows the underwriter to issue more stock,amounting to 15% of the original offer size,at the IPO offer price.
C) The lead underwriter usually makes a market in the stock and assigns an analyst to cover it.
D) In most cases,the preexisting shareholders are subject to a 180-day lockup;they cannot sell their shares for 180 days after the IPO.Once the lockup period expires,they are free to sell their shares.