Which of the following is true about 'Staggered Term'?
Every Member of Legislative Council (MLC) serves a six-year term, and
A: every three years, 1/3rd of the members retire.
B: every two years, 1/3rd of the members retire.
C: every year, 1/2 of the members retire.
D: every two years, 1/2 of the members retire.