哪一个不属于市场竞争成功的因素（）
A.满足需求
B.控制成本
C.生产能力
D.资金
参考答案：D
He has been in the countryside for many years, so he ________ the life there.[ ]
A. used to
B. has got used to
C. has used
D. was used to
Crohn病具有诊断意义的病理学改变有：（）
A．上皮样肉芽肿
B．细胞的异型性
C．裂隙状溃疡
D．肠壁全层炎症改变
E．组织坏死
