Step 1: Analyzing the Fonts.
Verdana, Tahoma, and Calibri are sans-serif fonts, while Cambria is a serif font. The key difference lies in the use of serifs in Cambria.
Step 2: Conclusion.
Thus, Cambria is the odd one out as it is a serif font, while the others are sans-serif.
\[
\boxed{\text{The correct answer is (c) Cambria.}}
\]