Now more people are paying attention to the school bus safetySo we believe the

问题补充：

--- Now more people are paying attention to the school bus safety.

--- So we believe there will be fewer accidents in the future.

A. loudly

B. strongly

C. sadly

D. happily

答案：

A. loudly

(答案→)B. strongly

C. sadly

D. happily

解析：

试题分析: 句意：现在更多的人关注校车安全。所以我们坚信将来有更少的交通事故。 loudly大声地，strongly强地，sadly难过地，happily开心地。根据语境可知选B.