The correct answer is A. BABOK states that the purpose of Assess Requirements Changes is to evaluate the implications of proposed changes to requirements and designs. For technical impacts in a software project, the most relevant support comes from stakeholders with implementation and technical knowledge. BABOK also refers to implementation subject matter experts as stakeholders with specialized knowledge regarding implementation, which in this context most closely matches the development team among the options you provided.

Option B is incorrect because project managers are important for schedule, scope, coordination, and delivery concerns, but they are not usually the primary source for detailed technical impact assessment.

Option C is incorrect because marketing stakeholders can provide valuable business and customer insight, but they are not the primary group for evaluating technical consequences of design or requirement changes.

For Question 49, only three options were visible in your message, so I formatted it using the choices you provided.