一道Gmat句子改错题,The lack of complete historical records from the

一道Gmat句子改错题,
The lack of complete historical records from the mid-to-late 1800’s have made some Black inventions difficult to trace to their originators.
(A) have made some Black inventions difficult to trace to their originators
(B) have made for difficulties in tracing some inventions by Blacks to their originators
(C) have made it difficult to trace some inventions by Blacks to their originators
(D) has made it difficult to trace some inventions to their Black originators（D）
(E) has made it difficult in tracing some Black inventions to their originators
答案说是选D.但是原文Black明明放在invention前面,D项里把Black放到otiginators前面,这个应该是改变了原文的意思了吧?为什么还对?