The models are shaded to show which of the following?

• A.  \[\frac{1}{3}=\frac{2}{4}\]
• B.  \[\frac{1}{4}>\frac{1}{3}\]
• C.  \[\frac{2}{3}<\frac{2}{4}\]
• D.  \[\frac{2}{4}<\frac{2}{3}\]