问题
单项选择题
If Newton lived today, he would be surprise by what () in science and technology.
A. had discovered
B. had been discovered
C. has discovered
D. has been discovered
答案
参考答案：D
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If Newton lived today, he would be surprise by what () in science and technology.
A. had discovered
B. had been discovered
C. has discovered
D. has been discovered
参考答案：D