Workers were celebrating after the world's longest water diversion tunnel（引水隧道）

was _____in northeast China's Liaoning Province, on April 15 ,2009. [ ]

A. competed

B. completed

C. compared

D. companied

关于病理性钙化，叙述正确的是（）。

A.HE染色时呈蓝色颗粒状

B.钙化灶肉眼一般呈白色颗粒、团块状，质坚硬

C.营养不良性钙化多见

D.营养不良性钙化常见于变性、坏死组织及坏死的虫卵内

E.病理性钙化多为磷酸钙，其次为碳酸钙