It is really disturbing to me that my once best friend _______ to me recently. Worse still, I don't know

what I have done wrong.    [ ]

A. avoids to talk      

B. escapes talking       

C. stops to talk      

D. avoids talking

成本领先战略的适用范围不包括()。

A.有较高的市场占有率，能严格控制产品定价和初始亏损

B.能够严格控制一切费用开支

C.有能力使用先进的生产设备

D.企业有很强的市场营销能力