US president George Bush ____ the war in Iraq on March 20,2003. But internationally, the US war in Iraq _____ as one country misusing its power over a weaker nation.

A．started, has been criticized

B．has started, had been criticized

C．started, has criticized

D．had started, was criticized

党的十八届三中全会提出，采取小步走、渐进式延迟退休政策。这是基于（）

①量变是质变的前提和必要准备

②质变是量变的必然结果

③事物的发展总是从量变开始的

④促成事物飞跃需要抓住时机

A.①②

B.①③

C.②④

D.③④