Concept:Consumer rights advocacy groups fight for the welfare and protection of consumers.
Explanation:Households are consumers of electricity supplied by power companies.
Constant electricity supply is a consumer right and service quality issue.
A consumer's association represents the interests of households and would campaign against poor power supply.
Credit unions, employer’s associations, and labour unions focus on financial services, business interests, or workers’ conditions, not consumer services like electricity.
Answer:A. Consumer's association