Which of the following is true about the basic word stock of English? ( )

Which of the following is true about the basic word stock of English? ( )

A.The basic word stock has undergone almost no changes.

B.Words of the basic word stock are mostly polysyllabic words.

C.Words of the basic word stock constitute a large percentage of the English vocabulary.

D.The basic word stock has five characteristics, of which the most important is all national character.

正确答案是D