Questions: The artist Jenny Holzer created an illusion of motion using a spiraling electronic message board to create a piece of art made up of: Select one: a. pictures b. words c. colorful abstractions d. movies e. words and pictures

The answer is B: words.

Explanation for each option:

a. Pictures - This option is incorrect. Jenny Holzer is known for her use of text in her artwork, particularly through electronic displays and projections, rather than pictures.

b. Words - This is the correct answer. Jenny Holzer is renowned for her use of words and text in her art. She often uses electronic message boards to display provocative and thought-provoking phrases and sentences.

c. Colorful abstractions - This option is incorrect. While some of Holzer's works may involve color, her primary medium is text, not abstract imagery.

d. Movies - This option is incorrect. Holzer's work does not typically involve movies; instead, she focuses on text-based installations.

e. Words and pictures - This option is incorrect. Although some of her installations might incorporate visual elements, her primary focus is on the use of words.