Answer:
This is a complete sentence.
Explanation:
Answer be C.
Samantha is creating an article from the 1700s and 1800s. One source provides information from the 1900s to modern day, therefore doesn't work in this case. So the choice of C doesn't work.
An adjective clause is a dependent clause that, like adjective which modifies a noun or pronoun. Adjective clauses begin with words such as that, when ,where, who, whom, which, and why...... hope that helps!!!
The prefix spelling rule does apply to suffixes because it helps people understand the words better so they can read correctly instead of having to guess and get it wrong possibly.
Hope this helps. :)
The answer is B I believe