According to grammar rules and most style books, you would hyphenate all compound numbers from twenty-one to ninety-nine. Therefore the correct answer is b, ninety-eight.
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.
D : preceded by preposition
