Best of all it has removed the constant pain and light （ ）.

Best of all it has removed the constant pain and light （ ）.
A、preference
B、adjustment
C、sensitivity
D、response
【正确答案】：C
【题目解析】：本题考查名词辨析。preference是“倾向，偏爱”；adjustment是“调整，调节”；sensitivity是“敏感，灵敏度”；response是“反应”。句意：最棒的是，它消除了持续疼痛和对光敏感的问题。故选C。