下列图示能正确表示染色体、DNA、基因三者之间关系的是( )
A:
B:
C:
D:
⑴Christmas Day ____ A. March 12th
⑵Tree-planting Day ____ B. October 1st
⑶Teachers' Day ____ C. December 25th
⑷National Day ____ D. September 10th
⑸New Year's Day ____ E. January 1st