She is the daughter of a doctor,She is a daughter of a doctor,She is daughter of a doctor.这三个句

问题描述:

She is the daughter of a doctor,She is a daughter of a doctor,She is daughter of a doctor.这三个句

应该是这样的吧
She is a daughter of a doctor's.她是医生(其中的)一个女儿.(意思是:医生不止一个女儿)