The correct answer is C, as it is an example of a project risk. A project risk is a risk that affects the management and control of the testing project, such as planning, budget, schedule, resources, quality, or scope1. Team members’ skills may not be sufficient for the assigned work is a project risk, as it affects the quality and efficiency of the testing activities1. Option A is incorrect, as it is an example of a product risk. A product risk is a risk that affects the quality of the software product under test, such as functionality, reliability, usability, security, or performance1. A system architecture may not support some non-functional requirements is a product risk, as it affects the reliability and performance of the software product1. Option B is incorrect, as it is an example of a defect. A defect is a flaw in the software product that causes it to produce incorrect or unexpected results or behavior1. A computation is not always performed correctly in some situations is a defect, as it causes the software product to produce incorrect results1. Option D is incorrect, as it is an example of a defect. A defect is a flaw in the software product that causes it to produce incorrect or unexpected results or behavior1. Specific modules do not adequately meet their intended functions according to the user is a defect, as it causes the software product to produce unexpected behavior1. References: 1, Section 2.8