Question

If average family size for the human population
could be immediately reduced to two children per
couple, the population would
(A) remain constant
(B) begin an immediate decline
(C) continue to increase for 20 to 40 years
(D) continue to increase indefinitely
(E) crash within 5 years

Answer 1

the population will be reduced by this method, but it won't crash or something it will not decline so the 
ANSWER WILL BE "A"