(单选题)

What does the underlined sentence in the last paragraph imply?

A.Steps are needed to ensure proper use of the technology.

B.Hitler once attempted to cooperate with Doudna.

C.Doudna was anxious to make use of the technology.

D.Doudna was worried that Hitler may approach her.

参考答案：A

参考解析：

细节理解题。根据文章最后一段最后一句“admitted worrying about how the technology she helped develop might be used”可知，唐达娜还承认，她担心自己帮助开发的技术可能会如何被使用，甚至梦见希特勒找她谈论潜在的应用。由此可知，杜德纳认为，不知道自己开发出来的技术会不会被不法分子利用，用在不恰当的地方，所以我们需要采取措施，确保这项技术得到正确使用。故选A。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语