A-A+ Some of the trials were too short to show thei 2022-08-05 16:21:55 问答库 阅读 169 次 问题详情 Some of the trials were too short to show their long-term effects.A．RightB．WrongC．Not mentioned 参考答案 正确答案：A解析：短文的第七段说。通常～项新疗法是否长期具有益处或者是毒副作用要过若干年才能显现出来。
