To answer this question, we need to understand the meaning of the word "arcane."
Option A) A covered passageway usually lined with shops - This option is incorrect because it does not accurately describe the meaning of the word "arcane." The correct term for a covered passageway lined with shops is "arcade."
Option B) Mysterious - This option is correct because "arcane" means mysterious or understood by only a few people. It refers to something that is secret or hidden.
Option C) Belonging to the past - This option is incorrect. The word "arcane" does not specifically indicate something belonging to the past.
Option D) Primitive pattern - This option is incorrect. The word "arcane" does not refer to a primitive pattern.
The correct answer is B) mysterious because it accurately describes the meaning of the word "arcane."