Answer:
The term that refers to an action that provides an immediate solution is:
d. silver bullet.
Step-by-step explanation:
The phrase "silver bullet" refers to any solution that is immediately provided without taking the time to reflect or without taking the complexity of the problem into consideration. It is the easy, miraculous fix. The term is most likely to be connected to the mythology related to werewolves. These creatures can only be killed after being shot with a silver bullet. It is, thus, the magical solution.