题目选项分析

A technology company plans to develop a prototype laptop that uses iris scanners that can distinguish one user from another. The inventor of this laptop claims that it will reduce insurance and security costs at offices, as only authorized users will be able to turn on the laptop, making it a less appealing target for thieves.

Which of the following, if true, most supports the company's implementing its plan to develop the prototype?

【选项】The size of people's irises tends to change noticeably over the course of the day.