When it comes to the artist of ultrarealistic oil painting, Leng Jun, what is special about his works is that _______.</p></p>

When it comes to the artist of ultrarealistic oil painting, Leng Jun, what is special about his works is that _______. A: they are all more detailed and vivid even than photos B: they are all more detailed and vivid but less than photos C: they are all more expensive D: they are all more delicate