I can’t quite remember _____ you started doing the work.[ ]

A. that it was when  

B. when it was that  

C. when was it that  

D. that was it when

下表列出了对证券M的未来收益率状况的估计：

A．5%，6.25%
B．6%，25%
C．6%，6.25%
D．5%，25%