In that school English is compulsory for all students but French and Russia are .A. spe

问题补充：

In that school, English is compulsory for all students, but French and Russia are .

A. special

B. optional

C. regional

D. original

答案：

A. special

(答案→)B. optional

C. regional

D. original

解析：本题考查形容词。Special是“别的，特意的”;regional是“地方的”;optional是“可选择的”;original是“最初的”。根据句意，“在那所学校，英语是必修课”，紧接着后面用but进行转折，由此可知法语和俄罗斯语不是必修课而是可以选修。所以正确答案为C。