A survey was carried out on the sleep time of students in middle schools, ______ were surprising.

A．its results

B．whose result

C．the results of which

D．of which results

我国历代都城城市格局体现的古代都城规划和建设思想是[ ]

A．“普天之下，惟我独尊”的帝王思想

B．“人地和谐”的思想

C．“依山傍水”的因地制宜的思想

D．体现了“天圆地方”的宇宙认知思想