关于原发性骨髓纤维化和慢性粒细胞白血病的比较，下列哪项是错误的()

A．前者白细胞计数轻度增高

B．前者外周血中易见泪滴样红细胞

C．前者骨髓穿刺常易“干抽”

D．前者NAP积分不降低

E．前者是良性疾病，不会转为白血病

Fair and(1)competition in govemment procurement around the world is good business and good public policy.Competitive pricing,product(2)and performance improvements result from competitive practices and help ensure that government authorities get the best(3)for the public they serve.

空白（3）为（）

A.help

B.server

C.value

D.policy