．—      you got to know where I was yesterday?

—Through a student.

A．Where was it that

B．When was it that

C．How was it that

D．Was it how that

我国的土地征用是（）.

A.个人所有土地有偿转为集体所有的措施

B.个人所有土地有偿转为国家所有的措施

C.集体所有土地有偿转为国家所有的措施

D.国有土地使用权有偿出让给土地使用者的措施