Which of the following is closest in meaning to the underlined expression “lagging behin？

 For this part；you are allowed 30 minutes to write a short essay entitled What Should

Determine a Students Grade. You should write at least 120 words following the outline given

below:

1.人认为学生的成绩应该由考试来定。

2.有人认为学生的成绩应该由学习态度和课堂表现来定。

3.我的看法。

他的邻居指责他每天晚上都发出噪音。

她脸上满意的表情显示了她喜欢这个宾馆。

我对他的第一印象是他是一个优雅的人。

令我们惊讶的是，结果比我们预计的要好得多。

暴风雨增加士兵营救被火灾困住的人们的困难。

This is actually more fun than sitting being silently miserable because you are not sayinganything.

From Nina's inappropriate dress and aggressive behavior toward me, l'd decided she waspushy, stupid，and had poor judgment

Thoughtful parents would combine supervision with communication, which is the best way tolake advantage of the Internet as a resource while protecting their children.

When you go to university to study for a degree, you have decided to study professionally,rather than as an amateur.