Your rent is due, but you are short $100. You find a way around this obstacle to meet the goal of paying the rent by offering to clean your friend's...

Your rent is due, but you are short $100. You find a way around this obstacle to meet the goal of paying the rent by offering to clean your friend's house for $100. You now have enough money to pay your rent. To reach your goal, you have just used the thinking strategy of

A: reasoning

B: faming

C: decision making

D: problem solving