The Cost of Raising Capital with Debt Is Typically Less

The cost of raising capital with debt is typically less costly for a firm than raising capital with preferred stock. Which one of the following is one of the reasons for this?

A) Preferred stocks are more senior than bonds.
B) Interest is a tax-deductible cost, preferred dividends are not.
C) Bonds generally have a longer maturity than preferred stocks.
D) The interest from bonds is compounded more frequently than the dividends from preferred stocks.