The rise-fall intonation could be used in          . 
A、alternative questions
B、disjunctive questions
C、sentence begins with adverbial or adverbial clause
D、coordinate sentences to give a list of sth.
\n The rise-fall intonation could be used in          .  - Unit 6 - 英语听力教程1(第三次开课) - 重庆高校在线开放课程平台 | 大学网课搜题引擎