I believe it is A. It makes the most sense in this context, and judging from the definition of "antecedent", this seems to be right.
clues to hint at what might happen later in a story.
To communicate constructively during tough times, one should: Avoid judgment and blame. A constructive communication aims to build and develop a better connection and relationship. One should choose the right words in sharing your thoughts and feelings because words are a very powerful tool; it can build or destroy someone.