It is hyperbole that means that the author’s eyes were wide with fear.
a or c bc the other ones do nt make sence
If u are looking for a synonym, the answer would be B. implicit.
If u are looking for a antonym the answer would be A. Explicit
It can be D. cause what does a embargo have anything to do with a definition in ELA, a embargo is just ban on something and marketable is well its in its name market