About the novel The Scarlet Letter, which of the following statements is NOT right?
选项：

A:It's very hard to say that it is a love story or a story of sin.
B:It’s a highly symbolic story and the author is a master of symbolism.
C:It's mainly about the moral, emotional and psychological effects of the sin upon themain characters and the people in general.
D:In it the letter A takes the same symbolic meaning throughout the novel