Our city has developed into a big city; which is ____ it used to be.    [ ]

A. four times larger than that

B. four times the size of what  

C. four times the size larger than what  

D. as four times the size as that

涎腺腺泡细胞癌的病理诊断依据是（）

A.瘤细胞胞质含有嗜碱性颗粒

B.瘤细胞胞质含有嗜酸性颗粒

C.瘤细胞胞质含有嗜中性颗粒

D.瘤细胞胞质呈空泡状

E.瘤细胞胞质呈透明状