Rose was angry with me. If only I________those words to her!
A:didn't say
B:hadn't said
C:couldn't say
D:wouldn't have said
经济体制改革的根本目的是( )
史学家认为,在20世纪50年代初,公开对立的东西方世界先后展开过两个规模庞大的国际援助计划,即马歇尔计划和苏联援助中国计划。这两个计划的共同之处是( )