To answer this question, you need to understand the correct spelling of the word "consensus".
Option A) consensus - This option is correct. "Consensus" is the correct spelling of the word, which means an agreement or a general opinion among a group of people.
Option B) concensus - This option is incorrect. The spelling "concensus" is incorrect.
Option C) consencus - This option is incorrect. The spelling "consencus" is incorrect.
Option D) consenssus - This option is incorrect. The spelling "consenssus" is incorrect.
The correct answer is Option A) consensus. This option is correct because it is the accurate spelling of the word.