B-tuning his instrument ,would be the participle phrase
Um, I think it is "proper grammar"? Not sure
Answer:
B - people who study codes
Explanation:
I would have to say A woulod be the best choice.
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.