患者，女，24岁。有先天性 * * 凹陷史。近1月来发现右乳晕内侧有一直径约3cm肿块，局部疼痛不适，形态不规则，边界尚清，质地硬韧，挤压后可见白色脂汁样物质自 * * 溢出。应首先考虑的是（）

A.乳晕部痈疖

B.乳腺癌

C.浆细胞性乳腺炎

D.导管内 * * 状瘤

E. * * 部漏管

An analyst compares two companies that are identical except that Company X capitalizes its leases and Company Y writes them off as operating leases. The analyst would expect Company X' s debt-to-equity ratio, relative to Company Y's, to be:

A．

B．

C．