The correct answer is B. Ominous.
The word "ominous" means "giving the impression that something bad or unpleasant is going to happen." It is derived from the Latin word "omne," meaning "all," and "augur," meaning "to foretell."
The word "omenous" is often used to describe things that are dark, foreboding, or threatening. For example, you might say that a dark cloud on the horizon is "ominous," or that a person with a sinister smile is "ominous."
The word "ominous" is also sometimes used to describe things that are simply unpleasant or disagreeable. For example, you might say that a long, boring lecture is "ominous," or that a difficult task is "ominous."
However, it is important to note that the word "ominous" should not be used to describe things that are simply bad or unpleasant. For example, you would not say that a bad meal is "ominous," or that a boring movie is "ominous." Instead, the word "ominous" should be reserved for things that are dark, foreboding, or threatening.
The other options, "omenous," "omineous," and "ommineous," are all incorrect spellings of the word "ominous."