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.
I'd say "This lecture will be fascinating, so get your tickets before they disappear!", but do not quote me on that.
An adjective describes a noun. For example, The big basketball is hard to carry. "big" is the adjective.
Answer:
fearless
Explanation:
The child is described as a fearless person thus it is the adjective in the sentence