下列各项，不属子宫输卵管造影的适应证是（）

A.了解输卵管是否通畅

B.了解宫腔形态，有无畸形

C.输卵管整复术后观察手术效果

D.了解宫颈内口是否松弛及畸形

E.妊娠期除外异位妊娠

A recent survey ______that the majority of people are worried about the present high price of apartments in cities.

A．indicates

B．includes

C．imagines

D．improves