The new teacher was so well-organized that she began _____ we stopped yesterday so that no point was

left out. [ ]

A. when

B. in which

C. how

D. where

在市场整体中，( )居于中枢、轴心地位，是商品市场和其他生产要素市场的先导。

A．资本市场

B．货币市场

C．人才市场

D．技术市场