Which of the Following Is a Characteristic of Britain's Use

Which of the following is a characteristic of Britain's use of the single-member district electoral system?

A) It weakens Britain's proportional representation system.
B) It encourages the strength of smaller parties, which results in more coalition governments.
C) It supports the dominance of the Labour and Conservative parties.
D) It results in less stable governments and frequent vote of no confidence actions.
E) It weakens the regional concentration of smaller parties.