
Passage: Conn Levy, with a "cute" face, seems to be no different from other newborns. However, because it is the world's first IVF screened by a new generation of gene sequencing technology, his appearance has attracted the attention of experts and scholars. Not long ago, the news exploded at the annual meeting of the European Society for Human Reproduction and Embryology held in London, England. As a result, general people think that mankind may have ushered in the era of "customized babies".
Question: Which of the followings, if true, best refutes the general person's view above?
A. A."Artificial" genetic screening does not rule out loopholes; in natural conception, the natural rule of survival of the fittest seems to be more mysterious and effective
B. B.From the history of the development of modern science and technology, we can see that the development of technology is often faster than human cognition, and sometimes technology will go further and deviate from the track of human cognition
C. C.The main purpose of gene screening is to avoid reproductive defects, which brings opportunities for human eugenics. As for "customized babies", it is more related to the concept of cloning, and the two should not be confused
D. D.The concept of "customized baby" has not been tried on a global scale, and this concept also challenges the most controversial human reproductive ethics
Answer: