The correct answer is D. Endoplasmic reticulum
Explanation:
In cells, the endoplasmic reticulum refers to a structure that creates an interconnected net and is composed by flattened sacs and that serves to multiple functions especially related to proteins such as modificating, folding and transporting them to other organelles in the cell. According to this, it s the endoplasmic reticulum the cell organelle that has a similar purpose to roads in a town as this organelle connects different organelles in the cell and also has the function of transporting certain substances.
