To qualify to be president of the federal republic of Nigeria under the 1979 constitution , a candidate must
-
A.
be at least 40 years of age -
B.
be a Nigerian by birth -
C.
have the highest number of votes cast at the election -
D.
have not less than 1/4 of the votes cast at the election in each of at least 2/3 of all states in the federation