Which of the Following Statements Is True

Which of the following statements is true?

A) Preference shareholders are entitled to dividends before ordinary shareholders can receive dividends.
B) Preference shares,like ordinary shares,usually have no maturity;i.e. ,the corporation does not pay back the investment.
C) The market value of preference shares,like bonds,will usually fluctuate in value primarily as the result of market rates of interest.
D) All of the above.