While Padmi looks frantically for her pen, her sister calmly writes with it. "While Padmi looks frantically for her pen," cannot stand alone. Using it in "While Padmi looks frantically for her pen, her sister calmly writes with it." makes it dependent on the second part of the sentence.
The correct answer to question 1 is C. "His friends were those of his own blood or those whom he had known the longest;"
Obviously, in order to trust someone, there must be a special bond that unites them together for a long time.
The correct answer for question 2 is C. "undemonstrative at the best"
right after that sentence, it says that Mr. Utterson had a good nature.
The correct answer to question 3 is B. They do not understand why the men are friends.
People did not comprehend the bond they had as friends and they were astonished by their friendship.
The root word in educate is ate.
The words here with ate in it is duplicate. I don't see any other words with the root word ate in it.