Which Terms Must Appear in the Unstated Premise of the Following

Which terms must appear in the unstated premise of the following enthymeme? All banks are institutions with government-insured deposits.
$\underline{\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad}$
No hedge fund is a bank.

A) banks
B) banks and institutions with government-insured deposits
C) hedge fund and banks
D) hedge fund and institutions with government-insured deposits
E) There is not enough information to determine the answer.