— What did you           just now?

— I _____ you if you could follow me. [ ]

A. say, said

B. speak, asked

C. speak, said

D. say, asked

有关瑞氏染色法的描述，下列不正确的是（）

A.核染成蓝色

B.核染成紫红色

C.胞质染成紫蓝色

D.黏液染成粉红色

E.黏液染成淡蓝色