The Clinician Says Either "Red" or "Green" to the Patient

Multiple Choice

The clinician says either "Red" or "Green" to the patient, waits 10 seconds, then asks the patient "What word did I say?" The clinician repeats this test 20 times, varying "Red" and "Green" randomly. The patient responds correctly only 3 times. What is a likely conclusion?

A) mild short-term memory deficit
B) severe short-term memory deficit
C) aphasia
D) malingering