问题
选择题
A warning news report from Qatar announces that a group of Islam will continue to kill Americans wherever they are ________ they leave the Arab world forever.
A．even though
B．in case
C．whenever
D．until
答案
答案：D
本题考查until引导的时间状语从句，意为“到. . . 为止, 在. . . 以前”。