Purchased or Often Called Volatile Liabilities Differ from Core "Insured

Purchased or often called volatile liabilities differ from core "insured deposits" by which of the following?

A) Purchased funds are more likely to leave a bank if other banks offer higher rate.
B) Purchased funds have higher rates than core deposits.
C) Purchased funds may leave a bank if there is bad news about the bank.
D) All of the above.