Which of the following statements is not true about cell junction?
选项：

A:The occludin in tight junction is the membrane integral proteins for 4 times of transmembrane.;
B:The transmembrane adhesive proteins involved in the formation of adhesion belt are cadherin.;
C:Pemphigus is an autoimmune deficiency disease caused by the change in the desmosome structure;
D:The transmembrane adhesive proteins of hemidesmosome are selectin.