D. Design refers to the overall organization of a work of art, where as technique refers to the way the artist used the materials to create a desired outcome or impression.
Explanation:
A. is not the right answer. The technique is not what materials are used, but the way and skill with which they are used.
B. is not the correct answer. These are not the right definitions for technique nor design.
C. is not the right answer. The definition of design is actually what technique is, while the definition of technique is wrong.
<u> D. is the right answer. This is exactly what design (organization and plan of the piece of art) and technique (the way on which work of art is executed) are. </u>
