Standard Ⅵ (C) , Referral Fees, is applica
题型：单项选择题
问题：
Standard Ⅵ (C) , Referral Fees, is applicable to :（）
A. only cash consideration received for the recommendation of products or services.
B. only cash consideration paid for the recommendation of products or services.
C. all consideration received or paid for the recommendation of products or services.