LDCE has three features except （）.

LDCE has three features except （）.
A、clear grammar codes
B、usage notes
C、language notes
D、extra column
【正确答案】：D
【题目解析】：The three features of LDCE include clear grammar codes, usage notes and language notes. LDCE的三大特征是明确的语法代码，用法注释和语言注释。