The correct word in the set would be ingenious.
The telephone is an ingenious invention. That means that it is very clever or innovative.
Ingenuous means innocent, sincere.
These words give the reader a feeling of hope either for the main character or another character. It lightens the mood and stresses a more positive scenario.
Answer:
option A is the correct answer
The author of "Zlateh the Goat", Isaac Bashevis Singer, was a Polish Jewish author. In the story, not only are the main characters Jewish, but also the story is set around Hanukkah (and contains references to specific Hanukkah traditions and preparations), an important Jewish holiday. You should also note that the text was initially written in Yiddish, which is a dialect central to Jewish (especially Ashkenazi Jewish) culture.