客户用抵押担保申请授信额度，若额度超过（）万元其抵押物必须坐落在县城及以上区域。
A.30
B.40
C.50
D.60
参考答案：C
He works as an engineer now, but he _____ on a farm for three years.
A．has worked
B．worked
C．was working
D．had worked
选择与求助者谈话方式时应当考虑的求助者自身因素包括( )。
A．年龄特征B．性格特征C．文化特征D．以上三者
