Analyze the relationship between elected officials, their constituents, and poli

Analyze the relationship between elected officials, their constituents, and political parties.

A) Political parties maintain strict control over elected officials due to direct campaign contributions.
B) Elected officials hold themselves more accountable to PACs and constituents than to political parties.
C) Officials generally keep promises made to party leaders, ensuring their “frontrunner” status in upcoming primaries.
D) PACs and constituents hold little sway over official policy compared to party leaders.

This is for my political science class.