Shaggy and Scooby Cannot Figure Out Who the Masked Intruder

Multiple Choice

Shaggy and Scooby cannot figure out who the masked intruder are from the clues that they find,so they decide to put the clues down and go to the kitchen for a snack.After a couple of hours,Shaggy sees the clues again and realize who the masked intruder is.Shaggy solved this problem through ____.

A) analogy
B) incubation
C) working backwards
D) decomposition