Answer:
B. Amazon's create an account process
Step-by-step explanation:
The Keystroke-Level Model (KLM) is a cognitive modeling tool which can be used in predicting the performances carried out by human on interface designs. It's the most "practical" of the GOMS methodologies.
This model tends to predict how long it will take for the completion of a routine task by an expert user. There should be no errors.
So, Option B is correct because GOMS/KLM is an evaluation tool which fits in the evaluation of Amazon's create an account process.