Five years ago, four friends agreed to set up a partnership to operate a car hand wash business. The partners agreed how to share profits and losses, but the partnership agreement did not contain any other terms. One of the partners announces that she has been offered a partnership in a car valeting business, for which she has been providing consultancy advice for the last three months without her partners' knowledge. She wishes to leave the car wash business as soon as possible and become a partner in the car valeting business.Which of the following statements best describes the position of the partner?

A、The partner breached the Partnership Act 1890 by acting as a consultant fop the car valeting business because she should have been working full-time for the car wash business.
B、The partner automatically ceased to be a partner in the car wash business as soon as she started acting as a consultant for the car valeting business.
C、The other partners in the car wash business can prevent the partner from joining the car valeting business.
D、The other partners in the car wash business will have a remedy against the partner for acting as a consultant for the car valeting business without their consent.
E、The other partners in the car wash business can expel the partner.