GAUSS7 2004 Problem 18

A rectangular wooden prism is made up of three pieces, each consisting of four cubes of wood glued together. which of the pieces below has the same shape as the black piece?

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Answer Choices
A. gauss7 2004 18a
B. gauss7 2004 18b
C. gauss7 2004 18c
D. gauss7 2004 18d
E. gauss7 2002 18e