Which of the following best defines the term overallotment option?

A$.$ Loans, usually long term in nature, provided directly by a limited number of investors.

B$.$ Allows shareholders to purchase unsubscribed shares in a rights offering at the subscription price.

C$.$ An underwriting provision that permits syndicate members to purchase additional shares at the original offering price.

D$.$ The part of the underwriting contract that specifies how long insiders must wait af an IPO before they can sell stock.