Which оf the fоllоwing stаtements concerning the Sociаl Security system is (аre) correct? 1. To qualify for retirement benefits, a worker must be “fully insured,’ which means that a worker has earned a certain number of quarters of coverage under the Social Security system. 2. Earning a specific amount of money, regardless of when it was earned during the year, will credit the worker with a quarter of coverage for that year.