English is understood all over the world Turkey is spoken by only a few people outside T

问题补充：

English is understood all over the world Turkey is spoken by only a few people outside Turkey itself.

A. while

B. because

C. unless

D. as

答案：

A. while

B. because

C. unless

D. as

解析：题意：全世界的人都懂英语，然而仅有除土耳其人外的少数人说土耳其语。句中的并列连词while表示对比或相反,意为“然而，可是”。