Select the correct text in the passage. Read this excerpt from Narrative of Sojourner Truth. Which phrase provides a context clue that helps determine the meaning of the word ascertain?

She thought it never was so light before; indeed, she thought it much too light. She stopped to look about her, and ascertain if her pursuers were yet in sight. No one appeared, and for the first time, the question came up for settlement, 'Where, and to whom , shall I go?'