please explain

Flamborough Inc. would like to issue long-term bonds to help finance the company's new product line. To keep their borrowing costs within reason, the company has attached special conditions to the bonds they will issue. Which of the following statements is true? a) An extendible bond gives the bond issuer the option to redeem the bond at par at a specified date. b) A put bond gives the bondholder the option to sell the bond back to the issuer at a guaranteec price within a specified time. c) Eurobonds are issued in Canada in Canadian dollars