阅读下列短文，掌握其大意，然后从所给的四个选项中，选出一个最佳答案

 　Last Sunday when Mei Mei was on 　1 　way to the cinema, she saw an old woman 　2　 by the side of the road． The woman wanted to go to the 　3 　to see her husband． But she could not 　4 　the address． She was so 　5 　and didn't know 　6 　to do． So Mei Mei decided to 　7　 her． First she helped the old woman find the 　8 　．It was 　9 　her inside pocket． Next she asked the policeman the 　10 　to the North Street Hospital． Then they 　11 　a bus to the hospital because it was not very 　12 　． The woman was so 　13 　to see her husband． 　14 　they looked around for Mei Mei, she was away quietly（安静地）and didn't wait for their 　15　 ．