Option B is the correct answer because to “reform” means to make changes in order to improve it, hence it Is the correct answer as the reformation of administration has been suggested.
Option A is incorrect because to perform means to carry out a particular task, which is incorrect.
Option C is incorrect because “to revive” means to bring back to existence, which is incorrect here as it already exists.
Option D is incorrect because to transform mean stuff to change completely but the suggestion being made Ian to make considerable changes only.