为自己加油

What is the impact of Viking invasion on the development of the English language?（  ）

A.
Many English words have been chosen to be replaced by Scandinavian words.
B.
The borrowed words represent new objects and ideas from the Scandinavians.
C.
English has borrowed a number of Scandinavian words of special classes.
D.
Many simple everyday words have been borrowed from Scandinavian.