A-A+ He said he had ________ the performanceof the 2022-08-12 21:30:57 问答库 阅读 198 次 问题详情 He said he had ________ the performanceof the new model and was surprised at what he had seen then.A、endeavoredB、demonstratedC、witnessedD、judged 参考答案 正确答案：D
