GAUSS8 2008 Problem 21

Past Contests GAUSS8 GAUSS (GR. 8) - 2008
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1

In the diagram, the object is made up of seven 1\times1\times2 solids. What is the total surface area of the object?

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Answer Choices
A. 42
B. 40
C. 38
D. 48
E. 70