Answer:
A
Explanation:
Semicolon aren't needed, so B is out of the list, while C has incorrect punctuation in the time.
Answer:
Since the middle of the 20th century, scientists <u>have found</u> cures for many diseases. However, so far no one <u>has discovered</u>
Explanation:
those are the perfect tenses for (find) and (discover)
<h2><u>Dynamic characters change over the course of the story.</u></h2>
<u>Explanation:</u>
- <u>A dynamic character</u>
<h2><u>hope</u><u> it</u><u> helps</u></h2>
