Which of the following lists only joint strategies for cross-cultural negotiations?
选项：

A:employ agents or advisors, bring in a mediator, adapt to the other party's approach, improvise an approach
B:employ agents or advisors, adapt to the other party's approach, embrace the other party's approach, effect symphony
C:bring in a mediator, coordinate adjustment, improvise an approach, effect symphony
D:coordinate adjustment, improvise an approach, adapt to the other party's approach, embrace the other party's approach