Answer: Option C
Step-by-step explanation:
The secretory proteins are found inside the cell which is secreted by the Endoplasmic reticulum and moves from the same route towards the Golgi apparatus.
Although it is secreted from the endoplasmic reticulum of the cell, but if it is injected from the outside to the inside of the cell then it moves to the rough endoplasmic reticulum and follows the secretory pathway of the cell.
Hence, the correct answer is option C