患者女性，28岁。原发性不孕5年，平时月经不规律，初期13岁，3-15天/60-90天，痛经（-）。查体：身高160cm，体重70kg，多毛，痤疮（+）、泌乳（-）。B超示：子宫小于正常，双侧卵巢增大，每侧卵巢直径2-9mm的小卵泡有12个以上。丈夫精液常规为精子密度60×10/ml，a级为8%，b级为19%，c级为23.9%，d级为56%，精子畸形率为45%。

还需要选择的检查项目是（）

A.空腹胰岛素

B.HSG

C.妇科内分泌检查

D.监测排卵

E.甲状腺功能

F.空腹血糖

Virtual reality (or VR (65) is kind of a buzzword these days in computer graphics.VR is artificial reality created by a computer that is so enveloping that it is perceived by the mind as being truly real.VR exists in many (66) .A traditional view of virtual reality uses headsets and data gloves.The headset serves as the eyes and ears to your virtual world,projecting sights and sounds generated by the computer.The data glove becomes your hand,enabling you to interact with this (67) world.As you move your head around,the computer will track your motion and display the right image.VR is the most demanding (68) for computer graphics,requiring hardware and software capable of supporting realtime 3D (69) .

67（）

A.dummy 

B.simulated 

C.fictitious 

D.invented