(单选题)
Educational expenses are tax-deductible( )the taxpayer can show that these expenses enhanced his or her professional skills or expertise.
A.only if
B.as if
C.as many as
D.as much as
参考答案:A
参考解析:
the taxpayer can show that... skills or expertise可看作educational expenses are tax-deductible的条件,因此A only if最恰当。
知识点:介词搭配 英语 语法串讲(银保监不考) 金融业务 模考估分