When I walked past the street, seeing the children playing happily, their happy laughter _______memories of my childhood.
A.called in
B.called for
C.called on
D.called up
网友回答
D解析call up表示“唤起; 使人响起”， call for表示“需要”， call on表示“号召”， call in表示“召集”，句意为：……他们欢快的笑声使我回忆起童年时代的情景，因此