If Marx Did Not Believe That All Human Conduct Is

Multiple Choice

If Marx did not believe that all human conduct is determined by the economic structure, isn't saying that economics is the "ultimately decisive" factor saying the opposite?

A) No, because other factors such as politics, religion, culture, even love, can influence the course of human life, but behind them is a fundamental economic basis.
B) Yes, the distinction here still cannot rule out economics as having an influence.
C) Yes, because Marx also saw that more than two classes existed in society too.
D) No, because Marx and Engels saw economics itself as being influenced by an "endless host of accidents."