以下各项属于浆细胞肉瘤特点的是（）

A.间歇性或持续性的剧烈疼痛

B.X线表现溶骨性凿孔样缺损

C.本周蛋白尿

D.满天星样改变

E.嗜酸性粒细胞增加

There are 104 elements found in nature, ___ are metals.

A．most of it

B．that

C．most of which

D．mostly