A good storyteller must be able to hold his listeners’curiosity he reaches the end of the

问题补充：

A good storyteller must be able to hold his listeners’curiosity he reaches the end of the story.

A. when

B. unless

C. after

D. until

答案：

A. when

B. unless

C. after

(答案→)D. until

解析：句意：一个优秀的故事讲述者必须能够让听众的好奇心一直维持到讲到故事的结尾处。