最近，我市某网站对市民最关注的问题做了调查。结果显示交通问题是市民关注的焦点。人们认

为引起交通问题主要原因为车多、停车难和不遵守交通规则。请完成下面这份调查报告并提出你的建议。

     A survey carried out online in our city shows that people care about traffic very much. People think there

are too many 1_____ in our city and it's so difficult to 2_____ them. What's more, many people always break

the traffic 3_____ while driving. To make the traffic better, I think maybe we should 4_____.

下列鸟类中，刚孵化出的雏鸟能立即跟随亲鸟自行觅食的是（　　）

A．鸡

B．麻雀

C．家鸽

D．燕子