The pronoun "it" in paragraph 2 refers to__________.

A

Từ “it” ở đoạn 2 ám chỉ đến

A. việc cấy gen

B. một thành tựu

C. cơ chế di truyền

D. tính chân thật/ sự thật

Dẫn chứng: As a result of recent discoveries concerning hereditary mechanisms, genetic engineering, by which human traits are made to order, may soon be a reality. As desirable as it_may seem to be, such an accomplishment would entail many value judgments.

=>Chọn A