They have been living in reduced ________ since John lost his job.[ ]

A. surroundings

B. setting

C. circumstances

D. environment

关于卵巢良性畸胎瘤的影像，下列哪项不对（）

A.囊性病变，囊壁厚薄不均，有钙化

B.T₁WI、皮样囊肿为高信号

C.可见骨、牙齿

D.CT可见到脂液面

E.以上都不是