Which Is True of Judgments of Number Magnitude

Which is true of judgments of number magnitude?

A) The smaller the difference between the digits, the faster the judgments are made.
B) Just as in psychophysics, the psychological difference is a direct function of physical difference.
C) Judgment time is not affected by semantic congruity.
D) When people make mental comparisons and judgments of purely symbolic quantities, there is a pronounced semantic distance effect.