Which of the following pathways is involved for packaging of secretory proteins ?

• A

  Trans face of Golgi body $\to$ Cis face of Golgi body $\to$ RER $\to$ SER $\to$ Secretory vesicles

• B

  RER $\to$ Cis face of Golgi body $\to$ Trans face of Golgi body $\to$ Secretory vesicles

• C

  Cis face of Golgi body $\to$ Trans face of Golgi body $\to$ RER $\to$ Secretory vesicles

• D

  RER  $\to$ Trans face of Golgi body $\to$ Cis face of Golgi body $\to$ Secretory vesicles