A) Gawayne had a conflict with himself because he has married a lady whom he does not love, and he fears lifelong unhappiness.
Answer:
The stranger laughed, and called out in reply, “I have as good a right to the bridge as you. You can go back till I get across.” This made Robin very angry. He was so accustomed to being obeyed that he was very much astonished too
The answer is B, he must be punished for the murder of Laius.
The correct answer is A. When the subject of a sentence is singular, add "_s" to the base form.
An easy example is "to exist", the base form is "exist" and A strawberry exists shows that you add s when a singular subject is used.