I realized I had to surmount the language （ ）.

I realized I had to surmount the language （ ）.
A、factor
B、constituent
C、barrier
D、break
【正确答案】：C
【题目解析】：本题考查名词辨析。factor“因素”， constituent“成分”， barrier“障碍”， break“间断”。句意：我意识到我不得不克服语言障碍。故选C。