【题目】---Have you heard about the shark attack accident at the SeaWorld show?
---Yeah, how horrible! A trainer ______ in front of the audience.
A．had been killed B．has been killed
C．was killed D．is killed
在线课程【答案】C
【解析】本题考查时态语态。本题是常见的过去时考点，表示对于已知事实的回答。事实要 用一般时，过去的事实用一般过去时。