Which of the following words in bold is formal and acceptable in business English?
A、If the disputes cannot be settled through friendly negotiation or mediation, arbitration will be the next best choice, as the litigation is usually costly and time-consuming.
B、If the disputes cannot be settled through amicable negotiation or mediation, arbitration will be the next best alternative, as the litigation is usually costly and time-consuming.
C、/
D、/