单项选择题

在使用MyBatis的select标签查询客户(customer)的电话信息时,如果客户实体中电话的属性名为mobile,而客户表所对应的字段名为phone,则正确的写法是()。

A.select phone from customer
B.select mobile from customer
C.select mobile as phone from customer
D.select phone as mobile from customer