We are glad to hear that the terrorists ________ by the brave policemen several days ago.

A．are caught

B．were caught

C．have been caught

D．are going to be caught

女性，36岁，已婚，因葡萄胎行刮宫术后2月，少量 * * 流血30天来就诊，妇检： * * 右侧见1.5cm直径紫蓝色结节，子宫较正常略大，右、左侧附件分别扪及直径，4cm和2cm囊性包块，能活动。

考虑最可能的诊断是

A．先兆流产

B．卵巢巧克力囊肿

C．卵巢恶性肿瘤

D．侵蚀性葡萄胎

E．绒毛膜癌