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The primary purpose of the passage is to
A. expose the fragile nature of the foundations on which bioengineering research rests
B. argue that bioengineering is ultimately infeasible as a means of manufacturing plastic
C. argue that the advances in organically-based plastic manufacture cannot solve environmental issues
D. explain the reasons for and objectives of current research on the development of organically-based plastic manufacture
E. describe the nature of the organic plastic manufacturing process
FRIEZE : FURNITURE::
A. porch : arch
B. ceiling : basement
C. trinket : person
D. euphony : pattern
E. grey : painting
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