如下所示Chen方法表达的E-R图(Person,customer,employee),将其转换为关系模式。不正确的选项是_________。
选项：

A: person(name, street, city)customer(name, credit-rating)employee(name, salary)
B: 可以如下转换person(name, street, city)customer(name, street, city, credit-rating)employee(name, street, city, salary)
C: 在一定条件下也可以如下转换customer(name, street, city, credit-rating)employee(name, street, city, salary)
D: 在一定条件下也可以如下转换customer(name, credit-rating)employee(name, street, city, salary)