I want to know               [ ]

A. where is the park  

B. where the park is

C. how is the park

D. how the park is

输卵管妊娠可能发生的严重后果是

A．输卵管妊娠流产

B．输卵管妊娠破裂

C．输卵管妊娠不全流产

D．继发腹腔妊娠

E．盆腔积血机化变硬与周围脏器粘连