2010年全国第六次人口普查登记的总人口数为( )
A:12.95亿
B:23亿
C:13.7亿
D:65亿
长江三角洲农耕条件优越,农业历史悠久,农业生产水平高,是举世闻名的( )
—Hurray! Actually these competitors were all strong, but our students made it.