Final answer:
Problem-solving therapy is a step-by-step process that clients learn to identify and implement solutions to their problems. It is commonly used in cognitive-behavioral therapy.
Step-by-step explanation:
Problem-solving therapy (C) is a step-by-step process that clients learn in order to identify and implement solutions to problems they are experiencing. It helps individuals develop skills and strategies to tackle challenges effectively. This therapy is commonly used in cognitive-behavioral therapy (CBT) (A), as it aligns with the goal of identifying and addressing maladaptive thoughts and behaviors.