Which Statement About Peak and Trade Interest Groups Is Correct

Which statement about peak and trade interest groups is correct?

A) Peaks have the disadvantage of members who have similar interests, which makes a unified advocacy easy.
B) Peak, or umbrella, interest groups represent businesses from several industries on a broad range of general business interest issues.
C) Peaks are larger in number and have the disadvantage of representing large numbers of companies and industries with large resources.
D) Trade groups represent businesses on a broader range of industry, and there more trade than peak associations.
E) Trade groups have the disadvantage of less unity of interest.