1. Fill in the blanks with $0.3, \frac{1}{0.3}, 0.3, \frac{1}{0 . \dot{3}}$ respectively, so that the result of the following calculation is maximized ( ).
$\square$
$$
\times \square
$$
$\square$
$\square$
A. 10
B. $\frac{101}{10}$
C. 11
D. $\frac{109}{9}$
E. $\frac{110}{9}$
\begin{tabular}{c}
1 \\
\hline $\mathrm{D}$
\end{tabular}