Describe the relationship between the branches and subdivisions of the U.S. gove

Describe the relationship between the branches and subdivisions of the U.S. government has with interest groups.

A)  Each branch or division has a limited the number of interest groups allowed to pursue grants, alterations in regulations, or the establishment of their own agency.
B)  Each branch or division has one or more interest group requiring grants, alterations in regulations, or the establishment of their own agency.
C)  Each branch or division has one or more interest offering bribes, encouraging fraud, or  pursuing insider information.
D)  Only a few branches or divisions has one or more interest group requiring grants, alterations in regulations, or the establishment of their own agency.
 
This is for my political science class.