To Explain Occupational Achievement,Blau and Duncan Used Survey Data

To explain occupational achievement,Blau and Duncan used survey data.They concluded that:

A) the respondent's own achievements had little influence on their occupational status
B) the respondent's own achievements had much more influence on their occupational status than ascribed characteristics
C) there were no clear patterns
D) mother's social status and education were more influential than previously thought
E) father's job and formal education were more influential than previously thought