Which of the Following Is an Applicable Characteristic in Using

Multiple Choice

Which of the following is an applicable characteristic in using the stepping-stone method?

A) Only an unoccupied square may be used as a "stepping-stone."
B) Only an occupied square may be used as a "stepping-stone."
C) Only the column and row with the highest factory capacity may be used as a "stepping-stone."
D) All of the above
E) None of the above