Why is it important to find out whether Frankenstein was co -written by Mary and Percy
A.Because people don’t think Mary can creat the story completely by herself.
B.Because Percy said he alone wrote the story in the preface to Frankenstein.
C.Because Frankenstein is so significant for academic research in literature and social studies.
D.Because there are so many editions of Frankenstein that people can not decide which one is authenti