— Look, that's Tom-the lost boy!

— It's really     great comfort to see him safe again. He is sure to bring        comfort to his worried mother.[ ]

A. a; a            

B. the; the          

C. a; /            

D. the; /

女，39岁。已婚，2年前曾人工流产并行绝育术，近3月 * * 不规则流血，妇科检查：子宫稍大、双附件区未査异常，尿HCG（+），胸片见右肺有1cm直径的两个阴影，边缘模糊。

首选处理应为（）

A.刮宫术

B.后穹隆穿刺术

C.子宫全切术

D.以化学药物治疗为主

E.吸宫清除宫腔内容物