Thesaurus is the tool where you can find synonyms for a word, and even antonyms.
Although you can find synonyms in a regular dictionary as well, thesauri are better when it comes to that.
Answer:
The answer is C i just got it right.
Explanation:
In English, commas should be used within a quote, in order to separate it from the indirect speech, and before the quote, for the same reason.
Thus, this is the correct answer:
"I know you did it," the detective accused the murderer, "and I can prove it!"
"Please remember to watch the gap," the conductor warned.