According to the news, the new type of rice was created by ______.

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问题 According to the news, the new type of rice was created by ______.
Thai researchers have created a new strain of rice with 12 times as much protein as regular varieties, and aim to promote it to the world. Scientists at Kasetsart University told the VOA reporter yesterday that the new strain was the most nutritious of the rice strains developed so far. And it was created not by high-tech genetic modifications, but through natural method, Khao Hom Nil, or black fragrant rice, sprang from a variety brought from China to the University’s Agriculture and Biotechnology Center. Scientists there discovered certain strain of the plant was unusually rich in protein.

选项 A、high-tech genetic modification
B、Thai researchers
C、the help of some experts from China
D、natural means

答案D

解析 细节题。新闻中说:这种米并不是通过高科技的转基因技术培育的,而是通过自然的方法。
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