The population of Dorthhampthon is expected to grow at an average rate

Population of D is expected to grow at an average 6%. Residents have raised concerns regarding the effect this growth can bring in on recreation areas. How does it impact recreation areas? Mayor claims this growth will not impact existence of recreation areas.

Which of the following, if true, will most strengthen the claim of the mayor's office?

(A) By attracting more new citizens, Dorthhampthon's municipality will be able to increase its budget for the development of recreation areas.
Effect of population growth will help increase in budget for development of recreation areas. It will bring in additional advantages. however, it does not impact the mayor's claim above

(B) Dorthhampthon's municipality intends to increase the city's jurisdiction, allocating new areas for parks and recreation in its surroundings.
new jurisdiction is being added for new parks and recreation areas. Does that mean population growth does impact and hence jurisdiction is being increased. this could weaken the claim.

(C) Dorthhampthon's ratio of park area per resident is about half that of similar cities in the region.
this is comparing recreation land size/people of D's with that of other cities. it has no bearing on the claim though.

(D) The new housing projects in central Dorthhampthon are planned to replace lower buildings in older complexes.
the new housing projects are planning to replace lower building in old complexes. which could infer , additional population will be accommodated in the same land size as today as new housing projects will increase the no of houses. this certainly helps add more to mayor's claim.

(E) Annual population increase of 6 percent a year poses a significant challenge to the city's infrastructure.
this option suggests there is challenge with the increasing population and goes against the mayor's claim.

D is the answer!