The correct answer is D To be evasive; to be vague or ambiguous so as to conceal or mislead; To use ambiguous words or unclear expressions, especially in order to hedge or conceal the truth.

Equivocate comes from late Latin aequivocare, from Latin acquest (equal) + vocare (to call).

Examples of use:

• The candidate equivocated on key issues.
• It is preferable to take a firm position rather than equivocate.