A warm thought suddenly came to me ________ I might use the pocket money to buy some flowers

for my mother's birthday. [ ]

A. if  

B. when  

C. that  

D. which

男性，68岁。因患前列腺增生症，排尿困难，需手术治疗

现患者残余尿200ml，以中叶大为主，心肺肾功能好，最好采用哪种治疗（）

A.经 * * 切除前列腺

B.药物治疗

C.膀胱造瘘

D.热疗

E.经膀胱耻骨上前列腺切除术