问题
________ that they can’t be shown in the maps.
A:So small those ponds and streams are.
B:So small are those ponds and streams.
C:So those ponds and streams are small.
D:So are those ponds and streams small.;
B:So small are those ponds and streams.
C:So those ponds and streams are small.
D:So are those ponds and streams small.;
正确答案是：
