Which of the following candidates is eligible for the election of councilors?
A.
A 20-year-old British who has been living in the area for a year.
B.
A 30-year-old Englishman who has moved to the area half a year ago.
C.
A 40-year-old British who has been working in the area for 2 years.
D.
A 50-year-old Irishman who has been working and living in the area for 3 years.