The first physician _________ experiments on living animals was Galen, who lived in Rome from AD 129 to about 199.

Câu hỏi :

The first physician _________ experiments on living animals was Galen, who lived in Rome from AD 129 to about 199.

A to conduct                                                                 

B being conducted

C to be conducting                                                        

D conducted

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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