单选题

　　[阅读理解]Most of us walk and carry items in our hands every day. These are seemingly simple activities that the majority of us don‘t question. But an international team of researchers， including Dr. Richmond from GW’s Columbian College of Arts and Sciences， have discovered that human walking upright may have originated millions of years ago as an adaptation to carrying scarce， high-quality resources.

　　Which of the following statements is NOT true according to the first two paragraphs A、Many people question the simple human activities of walking and carrying items.

　　B、Chimpanzee‘s behaviors may suggest why humans walk on two legs.

　　C、Human walking upright is viewed as an adaptation to carrying precious resources.

　　D、Our ancestors‘ ecological conditions resembled those of modern-day chimpanzees’