汉语手指字母是指（）Chinese finger letters refer to (        ).
A、 利用汉语言的谐音特点，形象地表示事物 Use the homophonic characteristics of Chinese language to represent things vividly 
B、 用手指指式代表汉语拼音方案的字母use finger types to represent the letters of Chinese Pinyin scheme
C、应用双手动作造型 use both hands models    
D、 运用脸部表情表示某一个词语意思  use facial expressions to express the meaning of a word