The answer is D
Because a run on sentence has no pause or period you have to add one in order to separate the sentences
Hope this helps
He believes he is a lot smarter than Ethan
I can only assume this because i don't have the whole paragraph to have context clues but yeah that is probably the answer
<span>Samir wanted to immigrate although he dont know english well and wanted to marry a women with traditional values so that he can make his children traditional egyptians.Hoda had to get married eventhough she wanted to study chemistry.So she finished studies and went to us to marry a man.</span>