Which of the Following Is True of Mortgage Interest Rates

Which of the following is true of mortgage interest rates?

A) Longer-term mortgages have higher interest rates than shorter-term mortgages.
B) In exchange for points, lenders reduce interest rates on mortgage loans.
C) Mortgage rates are lower than Treasury bond rates because of the tax deductibility of mortgage interest payments.
D) All of the above are true.
E) Only A and B of the above are true.