Those who suffer from the headache will find they get from this medicine.
A. safety
B. relief
C. defense
D. shelter
网友回答
A. safety
(答案→)B. relief
C. defense
D. shelter
解析：句意：那些患有头痛的人在服用这个药后会缓解痛苦。relief 意思是：解脱，缓解，A. safety安全， C. defense保卫，D. shelter避难所，所以选B。