As is widely acknowledged, a great number of traffic accidents ____ numerous deaths and countless property loss all over the world every year.   

A．depend on

B．contribute to

C．result from

D．aim at

男，60岁，排尿困难，CT前列腺后叶增大，密度低，增强后左叶内可见16mm×22mm低密度区，边缘尚清，病变与左盆底肌分界不清。最可能的诊断为

A．前列腺增生
B．前列腺转移
C．前列腺炎症
D．前列腺癌
E．前列腺脓肿