The frequency with which certain simple motifs appear in these oldest sites has led rock-art researchers to adopt a descriptive term—the Panaramitee style—a label which takes its name from the extensive rock pavements at Panaramitee North in desert South Australia, which are covered with motifs pecked into the surface.Q: Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.A. The oldest rock art sites have simpler motifs than the best known sites of Panaramitee North.B. Because motifs primarily associated with the Panaramitee region are common in the oldest sites, the term Panaramitee style has become the general term for rock art of this type.C. Because the Panaramitee style is so common in the older sites, researchers have described it most extensively.D. The motifs carved in the rocky surface of the Panaramitee region make up the oldest form of rock art discovered in Australia.