题干
—It appears that your relationship with Mike is not normal, doesn’t it?
—I thought of him as a trustworthy friend _____, to my shock, he gave me away to the boss．
—I thought of him as a trustworthy friend _____, to my shock, he gave me away to the boss．
A：unle
B：since
C：for
D：until
答案(点此获取答案解析）
D
