Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning
Drugs are tested in patient volunteers to monitor adverse reactions to long-term use.
Patient volunteers help test drugs to monitor their adverse reactions to long-term use.Patient volunteers are tested by drugs to monitor adverse reactions to long-term use.Volunteers test drugs for patients to monitor their adverse reactions to long-term use.Adverse reactions to long-term use are monitored after being tested in patient volunteers.Hướng dẫn giải:Dịch: Thuốc được thử nghiệm trên bệnh nhân tình nguyện để theo dõi các phản ứng có hại khi sử dụng lâu dài.
