Which of the following is not a similarity between The Great Gatsby and Heart of Darkness？

Which of the following is not a similarity between The Great Gatsby and Heart of Darkness？
A.Novella
B.Isolation and alienation of the human individual
C.Monosyllabic ungrammatical language
D.A movement from the "；regular flicker" to the "；constant flicker"
正确答案：Monosyllabic ungrammatical language