An effort to control the crippling effects of poverty in Brazil's interior cities, begun almost thirty years ago, has been partially successful, despite the setback of a major drought and the interruption of aid during an extended economic crisis.

(A) to control the crippling effects of poverty in Brazil's interior cities, begun almost thirty years ago,

(B) begun almost thirty years ago for controlling the crippling effects of poverty in Brazil's interior cities,

(C) begun for controlling the crippling effects of poverty in Brazil's interior cities almost thirty years ago,

(D) at controlling the crippling effects of poverty in Brazil's interior cities begun almost thirty years ago,

(E) that has begun almost thirty years ago to control the crippling effects of poverty in Brazil's interior cities,

OA A

Source: Princeton Review