Dell,a Problem-Solving Amateur,is Trying to Solve the "Hobbits and Orcs

Multiple Choice

Dell,a problem-solving amateur,is trying to solve the "hobbits and orcs" problem,and so she must determine how to move the creatures across a river.Dell is most likely to be helped if she has had earlier experience with

A) a problem with a similar structure and which also involved hobbits and orcs.
B) a problem with the same structure,but which involved protecting wives from their jealous husbands.
C) other problems involving transportation across obstacles.
D) problems illustrating the techniques for dealing with river currents.