对确需做特殊医疗设备检查和治疗的患者，需由定点医疗机构（）申请并填写申请单。非专科医生或非急诊科医生（如医技科室和简易门诊医生等）填写的申请单，其费用社会保险机构不予偿付。

A.执业医生

B.疾病所属专科医生

C.急诊科医生

D.医护人员

Since then the number of people taking driving lessons ____20.

A．has increased to

B．increases by

C．has increased by

D．have increased by