Which of the Following Is a Reason for Smaller Representation

Which of the following is a reason for smaller representation of minority groups in management positions? 

A)  ​Most companies implement affirmative action programs. 
B)  ​Most companies prefer hiring whites than candidates of minority groups. 
C)  ​Members of minority groups are not qualified enough for holding managerial positions. 
D)  ​Recruiting members of minority groups in management positions causes cultural disputes.