What stage in the history of the novel helped create a larger demand for the form? A).the emergence of romantic novels
B).the rise of serialized fiction
C).the early days of the printing press
D).the publication of fairy tales

which speech are you talking about?

martians or other types of aliens represent a unique fear as opposed to zombies. vampires and other types of monsters.   in most sci-fi stories, aliens come from other worlds and have different or more advanced technology.   abductions and experimentation on human bodies that involve these technologies, or the use of these technologies against human beings and the use of unknown "powers", are a type of fear that's different from that of other types of monsters.  

i believe the answer is d