D. You proceed without knowing what is coming next
This sentence is written in Second person point of view which is usually used in informative writing and addresses the protagonist as "you". It also not used often because it is extremely hard to pull off.
Answer:
announced
hope it is helpful to you
Answer: Because education is highly important.
Explanation: why you may ask because education brings you along way in life,
The best correction of the clause fragment is to C. delete the word "although."
Without that word, you get a proper single independent sentence, and not a fragment.
Answer:
upperclassmen
Explanation:
upperclassmen would provide the best perspective on student life at a particular school