Answer:
The correct answer is letter "D": Face-to-face interviews with finalists.
Step-by-step explanation:
As Linda does not want to limit her hiring decision, she should let the employment agency to be in charge of the recruiting process but intervene in the face-to-face interviews with the finalists. In such a way, she will make sure that the agency is screening the correct applicants, and Linda, eventually, will have the final decision in the selection process.