问题补充：
All documents are printed in the two official languages；，English and French.
A. in a word
B. or else
C. that is
D. for another
答案：
A. in a word
B. or else
(答案→)C. that is
D. for another
解析：句意为：所有的文件都是用两种官方语言印刷
总的来说 B.否则 C也就是说 D另一方面
由句意可知，C选项符合题意
