单选题 The main idea of the passage is that

• (A) explanations of the process by which higher organisms explain themselves have remained elusive until now
• (B) self-amplifying activation processes may one day explain most natural processes
• (C) scientists have discovered the first proof of Turing patterns to higher organism communities
• (D) explanations of how organisms organize themselves into patterns are no longer so elusive as they once were
• (E) activation processes are essential to the survival of many ant species