I would say this can be answered with a couple of the choices but ur teacher would probably want Answer D the most. If you have a future in technology and engineering which are high paying fields , learning how to use technology well can be detrimental to having a successful future career.
The easier it is to maintain a working product or fix a broken product, the more serviceable that product will appear. This also makes sense when you think about the different products which you have used in your life where they each have had different levels of serviceability.