the lack of concentration on air pollution __ a fact that we can't enjoy fresh air as before.
问题描述：
the lack of concentration on air pollution __ a fact that we can't enjoy fresh air as before.
A subscribes to B gets intoC results in D decides on
答
C,result in是导致的意思,对环境污染缺少关注导致我们不能再像以前那样享受新鲜空气的事实