“Dexterity” means skill in performing tasks, especially with the hands.
Option D is the correct answer because “skill” means the ability to do something well, expertise, hence it is the correct meaning of “dexterity”.
Option A is incorrect because ‘cooperation ‘ means to cope up with, which is incorrect.
Option B is incorrect because “courtesy” means politeness towards others which is not relevant here.
Option C is incorrect because “punctuality” means being regular and on time, which is not relevant here as the meaning of dexterity, hence incorrect.!