What is the difference between what the Psychologists and Clive's wife say about Clive's memory improvement?
a) The Psychologists believe Clive's memory has improved significantly, but his wife disagrees.
b) The Psychologists and Clive's wife both agree that Clive's memory has improved.
c) The Psychologists and Clive's wife both believe Clive's memory has not improved.
d) Clive's wife believes his memory has improved, but the Psychologists disagree.