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If Newton lived today,he would be surprised by what_____in science and technology.

A.had discovered                                              B.had been discovered

C.has discovered                                              D.has been discovered

If Newton lived today, he would be surprised by what ______ in science and technology.

   A. had discovered      B. had been discovered

   C. has discovered      D. has been discovered

If Newton lived today, he would be surprised by what _______ in science and technology.

A. had discovered                                                       B. had been discovered   

C. has discovered                                                          D. has been discovered

 If Newton lived today,he would be surprised by what_____in science and technology.

A.had discovered                            B.had been discovered

C.has discovered                            D.has been discovered

If Newton lived today, he would be surprised by what _______ in science and technology.

A. had discovered　　　　　　

B. had been discovered

C. has discovered　　　　　　

D. has been discovered　

. If Newton lived today, he would be surprised by what ____ in science and technology.

A. had discovered B. had been discovered C. has discovered D. has been discovered