单选题
1.The teacher told us the fact _______.
A.which the earth moves around the sun
B.that the earth moved around the sun
C.that the sun moves around the earth
D.that the earth moves around the sun
正确答案：D
答案解析：名词性从句中主句和从句中时态要保持一致。但是在此句中，后面讲述的是一个客观存在的事实规律，所以要选答案D。