The Board of Mechanical Rules consists of the State Fire Marshall who shall be a permanent member and _______________. The members shall be appointed for a term of _____________ and must be at least ________ old.
A. 12 additional members; 4 years; 21 years
B. 12 additional members; 2 years; 21 years
C. 14 additional members; 4 years; 18 years
D. 14 additional members; 2 years; 18 years