How Does Lobbying the Executive Branch Differ from Lobbying Congress

How does lobbying the executive branch differ from lobbying Congress?

A) Fewer interest groups lobby Congress than lobby the executive branch.
B) Fewer interest groups lobby the executive branch than lobby Congress.
C) Lobbying the executive branch has less impact on government than lobbying Congress.
D) Lobbying the executive branch focuses more on rulemaking,whereas lobbying Congress focuses more on pending legislation.