Choose the correct verb to agree in number with the subject of the following sentence

Marcie contacted broker Rita to list her house for sale at a price of $250,000. She told Rita that she needed a quick sale. At an open house, Rita told a prospective buyer that Marcie needed to sell fast and that she might accept $225,000. Marcie accepted the offer of $225,000. Which of the following is correct?

A. Rita violated her fiduciary duty by disclosing confidential information B. Rita violated her fiduciary duty, but she isn't liable for the harm, since Marcie accepted the offer C. Rita did not violate her fiduciary duty, since the offer was accepted D. Rita did not violate her fiduciary duty, since this would be considered a material fact

A bilateral contract is one in which both parties have made promises to perform

a. True b. False