问题
选择题
A terrorist attack at Kunming Railway Station ,and 29 people in the event .
A．was happened , may be killed
B．happened , killed
C．happened , were killed
D．happened , are killed
答案
答案：C
题目分析：句意:在昆明火车站发生了恐怖袭击，29人在事故中遇害。happen的意思是发生，它是一个不及物动词，不能用于被动语态，故排除A选项；根据第二个空的意思可知29人被杀害了，应该用被动语态，并且是一般过去时，故选C。