(单选题)

Why did researchers create MegaFace?

A.To enlarge the volume of the facial-recognition database.

B.To increase the variety of facial-recognition software.

C.To understand computers' problems with facial recognition.

D.To reduce the complexity of facial-recognition algorithms.

参考答案：C

参考解析：

细节理解题。根据第三段第五、六句“And scientists are only just beginning to understand what those constraints are. To begin to figure out how computers are struggling, researchers at the University of Washington created a massive database of faces—they call it MegaFace.”可知，科学家们发明Megaface的原因是为了去找在面部识别这一技术上，电脑正在面临的制约因素到底是什么。所以A项、B项、D项排除。故选C。

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