Both stories praise the ideal of family and express idea of inportance of a family in people's lifes and. So, The authors of Desert Exile and The Way to Rainy Mountain both express idea C. Family is more important than country. Problem of family vs country is very common, and those authors develop it during the whole story.
This passage shows that Frankenstein is astonished and impressed of his creation ( the monster). It also portrays the fact that he feels proud and happy.