We _______ at the house as we _______ of buying it.

A．looked; were thinking

B．looked; had thought

C．were looking; thought

D．were looking; were thinking

妊娠20周以后胎儿在子宫内死亡（）
妊娠满28周但不满37周分娩者（）
月经规律，妊娠超过42周分娩者（）
胎儿在分娩过程中死亡（）

A.死胎

B.死产

C.早产

D.流产

E.过期产