In Canada, Voters Typically Choose Between Three or More Candidates

In Canada, voters typically choose between three or more candidates in an election, which can lead to situations where

A) actors in the political system are presumed to follow their own self-interest.
B) there will be a disproportionately large impact on conservative politicians.
C) there will be a disproportionately large impact on liberal politicians.
D) it becomes impossible for the majority to decide who it prefers.