The correct answer is:
<span>[O say what stranger cause, yet unexplor'd,
Could make a gentle Belle reject a Lord?]
The poet is wondering why a girl would ever reject a man who is hitting on her and wants to marry her. It is implied that women had no say in this - that their marriage depended solely on the man and that they couldn't choose at all. The entire poem is quite satirical and meant to mock these kinds of ideas and behaviors.
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Let's number them okay. Since I can't see everything that is said in the picture I will have to assume it is either number 3 or 4.
No. because the quotations are BEFORE the period. Some titles have periods, so that's fine, but it's not supposed to be "titanic." it's supposed to be "Titanic".
A sentence fragment is a incomplete sentence like, one that doesn't fully explain its self. fragment = came to the house, complete = Lilly came to the house to visit.