In a Temperate Zone Lake,what Should the Temperature Profile Be $\circ$

In a temperate zone lake,what should the temperature profile be immediately after the fall overturn?

A) coldest water at the top,4 ^$\circ$ C water at the bottom
B) warmest water at the top,4 ^$\circ$ C water at the bottom
C) 4 ^$\circ$ C water throughout
D) 10 ^$\circ$ C water throughout
E) 4 ^$\circ$ C water at the top,coldest water at the bottom