Adding the transition "however" at the beginning to connect the ideas better. Because the 4th sentence was an argument and however is a transition in oppostition. The point you're trying to make in the paragraph is to the opposition of the 4th sentence statement.
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Answer:
At Gatsby's party, Jordan claims to not recognize the 2 twin girls dressed in yellow
because of this change to their appearance.
Othey had dyed their hair
Othey had shorter hair
they had longer hair
C. Many men avoided going to register for the draft