The answer is letter D.
Magwitch feels a parental pride in what his patronage has done to Pip.
Clauses highly improve sentence structures. They can make the sentence sound a lot better to the tongue, and it even make the sentence easier to understand. I hope this helps! :)
He met a hubshi girl who seemed interested with Santosh. Furthermore, he got English lesson by her and their relationship became closer. This event makes Santosh realizes of his existence after he feels alienated by his surrounding before. Since then, he took so much care of his physical appearance.