题目内容
（2010·重庆模拟）—Alice, you look puzzled．Haven’t you understood it?
—Yes．I _____of another problem just now．
A．had thought B．have thought C．thought D．was thinking
【答案】
D
【解析】略
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（2010·重庆模拟）—Alice, you look puzzled．Haven’t you understood it?
—Yes．I _____of another problem just now．
| A．had thought | B．have thought | C．thought | D．was thinking |