Select the option that makes the correct use of “unsustainable”, as used in the passage, to fill in the blank space.
a) In the long run, the ______ officials followed emergency procedures.
b) Emergency procedures were _______ by the officials.
c) Officials reported an ________ set of events during the emergency.
d) Officials admit that the emergency system is _______ in the longer run.
d) Officials admit that the emergency system is _______ in the longer run.
Explanation:
d) Officials admit that the emergency system is unsustainable in the longer run.