If \(\dfrac{m}{n} = \dfrac38\) then which of the following cannot be the value of \(n - m ?\)
I. \(-25\)
II. \(0\)
III. \(12\)
A. I only
B. II only
C. III only
D. II and III only
E. I, II, and III
Answer: B
Source: GMAT Club Tests