Read the following article and answer the question. Article: Do you like painting? Have you ever seen a painting in a tree hole? Now you can see many paintings in tree holes on a road in Shijiazhuang, Hebei Province. What's up? These paintings are painted by Wang Yue, 23, a college student at Dalian Polytechnic University. Wang describes her tree hole paintings as "a beautiful journey" through which she adds fun to her hometown. "When I saw that the trees by the roadside had lost all their leaves, the ugly tree holes became obvious ," she said. "I thought if I could paint some interesting scenes in these holes they might add some color to the city. " But Wang was worried that the pigments in her watercolors could hurt the trees. After asking environmental specialists and getting permission from city officials, Wang gathered her color palette , brushes and other things to get to work. "Painting on a tree hole is not as easy as painting on a canvas . I had to think about the shapes and sizes of the tree holes and adjust my designs accordingly," she said. "Before I began, I also had to clean off the dust from the tree holes first." "I was glad to let people see life's beauty. I hope more artists can join me in painting the tree holes," Wang said. Question: What does Wang Yue think of painting on a tree hole? Answer:

Pick from: A). It's a boring job. B). It's a hard job. C). It's an easy and interesting job. D). It's an expensive job.
The answer is:
B).