In that school, German is compulsory for all students, but English and French ar

In that school, German is compulsory for all students, but English and French are_______.

试题答案

C

解析试题分析:句意：在那所学校，德语对所有学生来说是门必修课，而英语和法语却是选修课程。A特殊的；B区域的；C选择的；D最初的。根据but可知与前面compulsory构成对比关系，选C。

考点：考查形容词辨析。