Henrietta's Grandfather Used to Be a Psychologist in the 1950s

Multiple Choice

Henrietta's grandfather used to be a psychologist in the 1950s. While going through is old papers, Henrietta finds an old intelligence test that was tested and normed over fifty years earlier. Just for fun, Henrietta decides to take the test, which gives her an IQ of 110. Which of the following is true?

A) She would probably receive a similar score from a more recent test.
B) The score is probably too high, because the average score on the test when it was normed is lower than it would be today.
C) The score is probably too low, because the average score on the test when it was normed was lower than it would be today.
D) The score is probably too high, because the average score on the test when it was normed was higher than it would be today.