D.H. Lawrence was one of the first novelists to introduce themes

D.H. Lawrence was one of the first novelists to introduce themes of（ ）into his works.
A、feminism
B、human relations
C、class struggle
D、psychology
【正确答案】：D
【题目解析】：D.H. 劳伦斯是第一个将心理学主题带入作品的小说家。