(单选题)

What essential reason can we know about Qi An Xin’s confidence in its security capabilities form the passage?

A.Its brand is well built and known.

B.It has as many as 8,000 employees.

C.It has a partnership with China Electronics Corp.

D.Its technologies have been widely approved domestically.

参考答案：D

参考解析：

细节理解题。根据倒数第二段最后一句“the company claimed its technologies have been adopted in 90 percent of the government departments, State-owned companies and large banks.”可知，该公司声称其技术已被90%的政府部门、国有企业和大型银行采用。因此奇安信的自信来源于其技术已在国内得到广泛认可。故选D。

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