问题补充:
It was believed that things would get worse, but it is they are getting better.
A. before
B. after
C. because
D. as
答案:
A. before
B. after
C. because
D. as
解析:本题要求考生会分析语意。本题联系到省略:but as it is going now, they are getting better(这和前面提出的would get worse作意义比较)。