The correct option is A crisis
Option A is the correct answer because "crisis" means a time of intense difficulty or danger, so according to the sentence, even after difficulty or danger(crisis) , the minister still announces the increase of number of super fast trains, hence it is the correct answer.
Option B is incorrect because "syndrome" means a group of symptoms which consistently occur together,which is not associated with an increase in the number of super fast trains in any system.
Option C is incorrect because "generation" means to create something, or also the collective population which is incorrect here because none of them can be influential based on the sentence given, to be able to influence the number of super fast trains.
Option D is incorrect because "stability" means the state of being stable, which means to stay at normal levels, which is incorrect here because if the situation was stable, there would be no problem anyway, the challenge is if it is in a crisis.