Answer:
OPTION A is the correct answer
The endoplasmic reticulum is, in essence, the transportation system of the eukaryotic cell, and has many other important functions such as protein folding. It is a type of organelle made up of two subunits – rough endoplasmic reticulum, and smooth endoplasmic reticulum. It usally has ribosomes attatched to it.
the answer C is correct i am taking it on ingenuity thanks guys i almost clicked A Hannah alright bye guys aha sorry to bug