Here is your answer to this question
B or C
"It was a difficult moment, but I did what seemed right, which was to say, "Of course not," and then to take her onto my lap and hold her for a while." & "It was thought that they had seen or done was so horrible that they didn't want to bring it back to haunt them or their listeners." These two sentences show how many soldiers feel uncomfortable or saddend by talking about their war experiences.
Epiphany is defined as a sudden moment of realization, finally understanding something which has been elusive for a very long time. In the excerpt above, it says that 'Feld had a sudden insight.' That insight is his epiphany - he finally came to terms with something which he wasn't aware of before.
Epiphany is a common tool used in literature - it was often used by writers such as James Joyce.
Hector should first start reading more so as to get acquainted with various styles of writing and ultimately find one he is the most comfortable with. Then he should write more and more, practice a lot because only through practice will he be able to improve. He might ask his friends to help him, or write to a writer for help, gather information and advice on writing, and ultimately, develop his own techniques and improve his writing.