Are their options? We need some ;P
Visual colors I believe is correct
He was stabbed in the eye with a wooden stake and was drunk - odysseus said to him his name was nobody so polyphemus shouted 'Nobody is killing me!'
or effectively "nobody is killing me by force or treachery" like you said
From the options indicated above, the sentence which has correct subject and verb agreement is:
<span>C.A piece of cake with a candle was brought to my table on my birthday.
</span>
The subject "piece of cake" takes a simple singular past tense of the verb "was" and all the other parts of the sentence are in accordance to its correct grammatical patterns.