To solve this question, the user needs to know the correct preposition to use with the verb "accustomed". The correct preposition is "to".

Option A, "with", is incorrect because it is not the appropriate preposition to use with "accustomed".

Option B, "to", is the correct answer. "Accustomed to" is a common phrase used to indicate a person's usual behavior or habit.

Option C, "by", is not appropriate to use with "accustomed".

Option D, "from", is also not appropriate to use with "accustomed".

Therefore, the answer is: B) to