Which of the Following Interest Expense Amounts Is Not Deductible

Which of the following interest expense amounts is not deductible in the current year?

A) Education loan interest of $2,000,assuming the taxpayer is single and has income of $150,000.
B) Home equity loan interest of $9,000 on a loan of $100,000,the proceeds of which were used to purchase a motor home.
C) Investment interest expense of $10,000,assuming the taxpayer has $15,000 of investment income.
D) Points of $2,000 paid on a mortgage loan for the purchase of a new principal residence.