As ricardo was filling out the loan application, he couldn't remember his previous address even though he had lived there for five years. ricardo's memory of his current address was interfering with his memory of his old address, which is an example of:

Ricardo's case is an example of retroactive interference. When the memories are similar, the new one learned disrupts the old one.

The answer is retroactive interference.

Explanation:

Retroactive interference occurs when new information tries to recall older information. In other words, we can say that later learning interferes in some way with earlier learning.

It also exists Proactive interference and both proactive and retroactive Interference usually take place where the memories are similar. An example of this can be when we get confused with old and new telephone numbers.  

i have to go with a for this one