A government official was murdered last Friday and the police are collecting information that is

________to the case. [      ]

A. relevant  

B. similar

C. devoted  

D. addicted

乳腺钼靶X线检查示：肿瘤阴影为卵圆形，形态规则，边缘整齐光滑，密度较周围组织略高且均匀，应考虑为

A．乳腺导管扩张症

B．乳腺囊性增生病

C．乳腺纤维腺瘤

D．急性乳腺炎

E．乳腺癌