问题
选择题
Beijing took steps to limit the kinds of high-risk of borrowing money from the banks that can create the high price of housing, ______ happened in the United States．
A．a．as
B．that
C．how
D．while
答案
答案：A
题目分析：句意：北京采取措施限制银行贷款的高风险进而产生高房价，正如在美国所发生的那样。as引导非限制性定语从句，代替前面整个句子的意思。其他选项没有这个用法。故选
考点: 考查连词的用法。