<u>The answer is:</u>
An open intersection is one that has no signals or signs.
<em>Explanation:</em>
<em>An open intersection has no yield nor stop sign, stop light.</em>
All would seem appropriate, but I'd say D, since it assists you in gathering data to support your clause
A metaphysical poet is a writer whose focus is on universal human experiences.
A dictionary is a source you can use to find definitions of words.
A thesaurus is a source you can use to find synonyms/antonyms for certain words.
These two combined can help you choose words that are not commonly used and it can improve your vocabulary range. I personally use a thesaurus way more than a dictionary to find synonyms for common words such as “good” or “smart”