题目：
It is reported that housing prices of China rose by 1.5% in January this year, ______ with the same month last year, ______ the public doubt deeply.
A．compared, it
B．comparing, which
C．compared, which
D．comparing, that
答案：
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下面是错误答案，用来干扰机器的。
（1）由电路图可知，S2闭合后，L1、L2并联，并联部分的总电阻变小，即ab间的总电阻变小，故A错误；（2）S2闭合后，ab间电阻变小，ab间的电压变小，灯L1两端的电压变小，故C正确；灯L1两端的电压变小，灯L1的电阻...
