The Exchange Rate of Euro and Yen,in Two Consecutive Years,against

The exchange rate of Euro and Yen,in two consecutive years,against U.S.dollars is given below:
$\begin{array} { | l | l | l | } \hline \text { Year } & 1 \text { dollar } & 1 \text { dollar } \\\text { equaled: } & \text { equaled: } \\\hline 2010 & 0.68 \text { Euro } & 81 \text { Yen } \\\hline 2011 & 0.77 \text { Euro } & 75 \text { Yen } \\\hline\end{array}$
Which of the following is a valid conclusion that you can derive from this information?

A) The U.S. dollar weakened against the Euro in 2011.
B) The U. S. dollar was stronger against the Euro in 2010.
C) The Euro has strengthened against the Yen in 2011.
D) The U.S. dollar weakened in 2011 against the Yen.
E) The U. S. dollar was weaker against the Yen in 2010.