All of the Following Statements Are Correct Regarding \Alpha₂-Macroglobulin Except

All of the following statements are correct regarding \alpha₂-macroglobulin except _____.

A) it binds covalently to its target via a thioester bond
B) it possesses a bait region to lure its target
C) it undergoes a conformational change that enables it to enshroud the target
D) when bound to its target it is cleared from the circulation by hepatocytes,fibroblasts,and macrophages bearing receptors specific for the complex
E) its target is the membrane-attack complex on human cells.