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