Question

complete the sentence with the word that best fits the overall meaning and tone. during the science, space, and technology committee hearing, the senator asked the nasa panelist to ______ her position on the team before commencing. confirm ensure ascertain

Explanation:

"Confirm" means to state or show that something is true or correct. In the context of the sentence, the senator wants the NASA panelist to state her position on the team. "Ensure" means to make certain that something happens or is the case, which doesn't fit as well here. "Ascertain" means to find out for certain, and it's more about discovery rather than stating one's position.

Answer:

A. confirm