Parents are supposed to monitor their children on the Internet, in case some bad information

would        teenagers’ mind.[ ]

A. hurt

B. pollute

C. assess

D. furnish

患者女性，41岁，既往月经规律，经量中等。末次月经于11天前。今日排便后突然右下腹剧烈痛伴恶心，急诊来院。妇科检查：子宫正常大小，其右侧扪及一手拳大小肿物，触痛明显。

若B型超声提示子宫右侧直径约6cm大小的囊实性包块，最可能的诊断

A．子宫肌瘤变性
B．子宫肌腺症
C．输卵管妊娠流产
D．急性阑尾炎
E．右卵巢肿瘤蒂扭转