There are frequently reports of accidents as fireworks , stored or transported.
A. have been made
B. are being made
C. were made
D. have made
网友回答
A. have been made
(答案→)B. are being made
C. were made
D. have made
解析：
试题分析:考查动词时态。从语境或者常识可知此处是指烟花爆竹在生产过程中发生事故。所以用现在进行时的被动，故B选项正确。句意：总有频繁的关于烟花爆竹在生产，储存或运输中的事故报道。