What is the advantage of issuing 30-year debt over 5-year debt for corporations in a low interest rate environment?

A. Corporations can lock in a lower rate for a longer period without having to rollover their debt every five years at potentially higher rates. B. Corporations are less likely to default over a 30-year period than 5 years. C. Investors are generally willing to accept lower rates over 30 years compared to 5 years. D. 30-year rates are usually lower then 5-year US Treasury rates.