定语从句的先行词是哪个

题目

定语从句的先行词是哪个
The prime objective of the benchmarking process was to compare a range of service delivery process across a range of criteria using teams made up of employees from different departments within the hotel which interacted with each other.

答案

在句子The prime objective of the benchmarking process was to compare a range of service delivery process across a range of criteria using teams made up of employees from different departments within t...