TOEFL Listening: ETS-TOEFL听力机经 - 3814CY_38GI9N2K6P$

According to the professor, why do some painters use impasto techniques today? A. They have more options of tools to use than artists did in the past. B. They want viewers to focus on the surface of a painting. C. They are interested in changing painting styles of the past. D. Their works with impasto are more precise than the works done in the past.