单项选择题

A.Both pan-Arabic and Esperanto are spoken on the radio and television in the Arab world.
B.Esperanto is now widely used by educated people in the world.
C.Both pan-Arabic and Esperanto are taught in school.
D.Pan-Arabic provides a means of communication between educated people of different Arab nationalities.

A.Both
B.
B.Esperanto
C.
C.Both
D.
D.Pan-Arabic
E.