According to Research by Hillman,Shropshire,and Cannalla,which of the Following Is

According to research by Hillman,Shropshire,and Cannalla,which of the following is true?

A) Larger firms were more likely to have female board members than smaller corporations.
B) Firms with more female employees were more likely to have a female board member.
C) Firms with less diversification and more closely related products and services were more likely to have a female board member.
D) Firms doing a lot of business with organizations that also had a female board member were more likely to have female board members.
E) All of the above are true.