Final answer:
The synonym of "yoke" is "a) Harness," which both refer to joining or linking together in a collective purpose.
Step-by-step explanation:
The synonym of "yoke" is a) Harness. This question falls under the English subject, as it relates to vocabulary and understanding synonyms. The term "yoke" often refers to a wooden beam traditionally used between a pair of oxen or other animals to enable them to pull together on a load when working in pairs, similar to a harness. In a figurative sense, "yoke" can also mean to join or link together, which is synonymous with how a harness functions by linking animals or objects together for a collective purpose.