It_____ years ago when the incident took place, and I nearly forget it.

A．would have been

B．should have been

C．ought to have been

D．must have been

对于上市公司控股股东或其他股东根据重大资产重组置入资产的盈利承诺，对未达到承诺部分予以补足而向上市公司支付的现金，上市公司应作为权益性交易计入所有者权益。是指的（）。

A.一般原则

B.与股改对价相关的股东捐赠交易

C.与重大资产重组承诺相关的股东捐赠交易

D.交易主体的范围