When Shelly first had cable television service installed, the USA network was on channel 9. Her cable company then switched to cithannel 16. Shelly now has trouble remembering that USA is on channel...

I need help please, what is the correct answer

Extracted text: When Shelly first had cable television service installed, the USA network was on channel 9. Her cable company then switched to cithannel 16. Shelly now has trouble remembering that USA is on channel 16 and not on channel 9. This memory problem represents memory decay O retrograde amnesia O reconstruction errors retroactive interference O proactive interference EXTD 10 37