Dark glasses are sometimes worn to the eyes from strong sunlight .
A. protest
B. guarantee
C. protect
D. prevent
网友回答
A. protest
B. guarantee
(答案→)C. protect
D. prevent
解析：这题考查动词辨析：A. protest抗议B. guarantee保证C. protect保护D. prevent防止，句意是：有时戴墨镜是为了保护眼镜不受强光的伤害。选C。