Which of the following sentences contains at least one error?

a$.$ Jenny complemented her coworker on the new haircut and decided it was time for a new haircut of her own.

b$.$ When asked what time to meet in the conference room, Tom had to think about it for a moment because he had so many meetings scheduled that day.

c$.$ Without sufficient time to prepare, John had to quickly gather all the required documents and rush to the meeting.

d$.$ If there was ever a time for the team to stop and enjoy the moment it was now as they had far exceeded all sales goals for the quarter.