Scenario: A development team is tasked with building a high-security payment gateway. To ensure the codebase is resilient and maintainable over the long term, the lead architect mandates pair programming for all critical modules.场景：一个开发团队的任务是构建一个高安全性的支付网关。为了确保代码库长期具有弹性和可维护性，首席架构师要求所有关键模块都采用结对编程。How does this practice primarily contribute to the resilience of the codebase in this scenario?在这种情况下，这种做法主要如何提高代码库的弹性？单项选择题

题目图片
A

a. 一个。By ensuring that only senior developers are responsible for writing critical security logic while others observe.通过确保只有高级开发人员负责编写关键安全逻辑，而其他开发人员则在一旁观察。

B

b. By fostering a shared understanding of the system and reducing the team's reliance on any single individual's expertise.通过培养对系统的共同理解，减少团队对任何单个个人专业知识的依赖。

C

c. By discouraging individual ownership so that no single developer feels accountable for the quality of the code.通过削弱个人所有权，使任何开发者都不必对代码质量负责。

D

d. By encouraging "code silos" where specific sections of the gateway are understood only by the pair that wrote them.通过鼓励“代码孤岛”，使得网关的特定部分只有编写它们的两人才能理解。

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