Fill in the blank with a suitable preposition:
A preposition is a word which comes before a noun or a pronoun and establishes a relationship between the elements of a clause or words. Option A)with is correct as it is used to express company of people. The other options are wrong as from, by, and at indicate a source, usage of something, and a specific location respectively. These uses don't fit in the given question. The correct answer is A)to.