Consider the following statements and choose the correct answer:
1. Endoplasmic reticulum synthesises secretory materials and membrane constituents
2. The lumen of ER cisternae and tubules and Golgi cisternae communicate with each other forming passage for transport of secretory proteins, lipids and sterols
3. Secretion is the main function of the Golgi complex
4. The Golgi complex participates in recycling of plasma membrane

A. Only 1, 2 and 3 are correct

B. Only 1, 3 and 4 are correct

C. Only 2, 3 and 4 are correct

D. 1, 2, 3 and 4 are correct

Answer: Option C