我们生活中一些现象，往往蕴涵了很多地理知识．下列叙述中，与地球自转无关的是（　　）

A．太阳每天从东边升起，西边落下

B．赤道上的人们“坐地日行八万里”

C．南京四季分明，春暖、夏热、秋凉、冬冷

D．南京的玲玲给美国纽约的姨妈打电话“姨妈，晚上好！”姨妈则说“玲玲，早上好！”

My friend has returned from the UK. She ______ at Oxford for four years, during which we communicated with each other on the Internet.

A．studied

B．has studied

C．had studied

D．has been studying