The best title for the passage may be ______.

A．Students at Cornell University often rated themselves highly even when they flubbed all questions in a reasoning test.
B．Grammar was an area in which objective knowledge was helpful in determining competence.
C．Participants in the test estimated their sense of humor by about 16 percentage points.
D．Students scored better on a logical reasoning test but rated themselves lower.

A．Europeans do not have the proper appreciation of the United States
B．Europeans have made a notable shift in attitude toward the United States
C．American culture has been rediscovered by Europeans
D．Europeans no longer feel that there should be an exchange of ideas with Americans