This is something you’ll have to write yourself because it’s about you.
The answer is A have a good day
The correct answer should be Find the meaning of the word "terminating" in an online dictionary.
Finding it in an online dictionary would be rather easy and quick, while it would also be the most correct since the world does not have a polysemic meaning in this context. Context can be tricky while finding antonyms would not be that useful.
Tipped his hat politely
because a complete predicate includes the verb and all the words that tell what the subject is or what it does.