I think it would be C) singing
Backyard gardens seems a bit broad whereas the rest focus in on a certain subject relating to gardens.
World literature usually is the study which explores the different realms of culture and their norms. From these cultures, norms and everday experiencces literature is born and conceived which people write, tell and pass to the next generation. Thus, we discover them by their relativism.
In this world literature, it is about the ancients.
Answer:
C
Explanation:
There is no factual evidence that Americans are tougher than Russians.