The students’ phone offers its service_______
- Aevery morning during the work-days
- Bevery morning during the work—ends
- Cfour mornings a week
- Devery other morning except Sunday
搜答案，更轻松！
The students’ phone offers its service_______
文章中有“The service is available there three mornings a week at telephoneN0．330564…”可见答案应选D。