Definition:

Test control involves monitoring and taking actions to align testing with objectives, addressing deviations in test progress or outcomes.

Evaluation of Options:

A. To monitor the testing:

Incorrect. Monitoring is part of the process but does not define the purpose of test control.

B. To return the test environment to its starting state and data:

Incorrect. This pertains to test environment setup or cleanup, not test control.

C. To project detect trends and outcomes:

Incorrect. Detecting trends is part of monitoring, not control.

D. To take corrective actions required to meet the test objectives:

Correct. Test control is proactive, focusing on corrective measures to ensure test objectives are met (Syllabus section TM-1.5.3).