学校德育对政治、经济、文化发生影响的功能即指( )

A．发展性功能

B．个体性功能

C．教育性功能

D．社会性功能

— You can hardly swim, can you? 　

—           . But my mother says she'll teach me during my summer holiday. [ ]

A. Yes, I can't　　　

B. No, I can　　

C. No, I can't　

D. Yes, I can