Select the Correct Order in Which Sequential Complement Protein Activation

Multiple Choice

Select the correct order in which sequential complement protein activation occurs in the classical pathway:

A) C1,C3,C5,C9
B) C2,C4,C3,C1
C) C4,C2,C3,C5
D) C1,C2,C3,C4
E) C9,C8,C7,C6