Answer:
If abominate means “to hate or loathe intensely,” abominable means A. capable of being hated; disgusting.
Step-by-step explanation:
Abominable is an adjective that expresses that something can cause revulsion or that it is highly unpleasant. In this case, his behaviour at the party was worthy of disgust or hatred, and was detestable. That is why the word abominable was chosen.