If your instructions asked which of the four choices is an alternative to "omen" then "warning" is the one that makes sense.
If it's another word, then I don't know — you need to include ALL instructions when you post here. No one has a crystal ball!! =)
The dark sky was an omen that we should get home before it poured.
A. gesture
B. warning
C. marking***
D. recommendation
1 answer