Which of the Following Interest Expense Amounts Is Not Deductible

Which of the following interest expense amounts is not deductible in 2018?

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 an addition to the taxpayer's primary residence.
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.