10. Among the four-digit numbers composed of the digits $2,0$ and $1,2$, those greater than 1000 are ( ) in number.
(A) 6
(B) 7
(C) 8
(D) 9
(E) 12
1. D.

The four-digit numbers that meet the criteria are:
$$
\begin{array}{l}
2012, 2021, 2102, 2120, 2201, 2202, \\
2210, 1022, 1202, 1220 .
\end{array}
$$