The business is the content or general message of a conversation or what the conversation is about. Option A is correct.
Conversation may be defined as a talk between two or more individuals in which the convey thoughts, feelings, and ideas, ask and answer questions, or even news and information is exchanged. So, in a conversation were a message is delivered with an intention, the real message will have a specific content known as business.
<u><em>‘To see the movie’ </em></u><em>is the group of words which forms the prepositional phrase of the sentence. </em>
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<u>Explanation:</u>
This is because it includes the preposition ‘to’, the object ‘movie’ and the modifier of the object ‘see’. It helps in giving the description of the noun and the actions which needs to take place. The word "see" demonstrates that the noun "movie" is actionable to vision and thus needs to be seen.