Which organelle is responsible for sorting and packaging proteins for storage and/or secretion from the cell?

A. endoplasmic reticulum

B. vesicle

C. ribosome

D. Golgi apparatus

The organelle which is responsible for the task you've mentioned is the Golgi Apparatus - D.

The Golgi apparatus is also called the Golgi complex and can be found in the majority of cells which have a nucleus and organelles within a membrane (eukaryotic cells). It can be easily found within cells due to its specific banana-like shape.