Of the 841 Languages Once Spoken on the Island of Papua

Of the 841 languages once spoken on the island of Papua New Guinea, many are now endangered and some have no living speakers. This is most consistent with which of the following?

A) Papua New Guinea has the largest diversity of spoken languages of any region in the world.
B) The number of languages spoken in the world is increasing rapidly.
C) Nothing can be done to preserve linguistic diversity.
D) All people should study English in order to facilitate cross-cultural communication.
E) The world's linguistic diversity has been cut in half over the past 500 years.