Answer:
Skin Cancer is one example.
The answer is A, because it many people did not know how to read or have seen a book with words.
Answer:
C. It explains that, no matter what he does, Hans is always miserable.
E. It points out that Hans can never be happy until he has reached home.
Explanation:
The two answers above happens to be the best statement which explain and support the theme. <em>This is because, despite the efforts Hans put into his life, he seems to still meet with challenges which makes him unhappy. All his efforts looks like it was in vain.</em>