There are 50 students in Class 1. They went to different places on National Day(each student only went to one place). According to the chart, ________ students went to Qionghai Wetland Park.
Laushan Mountain | Luoji Mountain | Qionghai Wetland Park | The Moon Lake Park |
30% | 40% | ? | 10% |
- A、fifteen
- B、twenty
- C、five
- D、ten