understanding of the meaning of sophisticated? Choose 1 answer: A "Researchers studying the social brain hypothesis believe that the reason" B There are benefits to living in groups. Members of large groups offer each other protection" C ) "keeping track of diverse social connections is a complex task and thus requires a complex brain" D ) "a brain, perhaps, exactly like those that humans have developed"

## Step 1<br />The problem is asking us to identify the sentence that best represents the meaning of the word 'ophisticated'. The word 'ophisticated' generally refers to something that is complex or intricate, often requiring a high level of understanding or skill to comprehend or use.<br /><br />## Step 2<br />Let's analyze each option:<br />- Option A: "Researchers studying the social brain hypothesis believe that the reason". This sentence does not provide a clear context or meaning for the word 'ophisticated'.<br />- Option B: "There are benefits to living in groups. Members of large groups offer each other protection". This sentence also does not provide a clear context or meaning for the word 'ophisticated'.<br />- Option C: "Keeping track of diverse social connections is a complex task and thus requires a complex brain". This sentence suggests that the task of keeping track of diverse social connections is complex, which aligns with the meaning of 'ophisticated'.<br />- Option D: "A brain, perhaps, exactly like those that humans have developed". This sentence does not provide a clear context or meaning for the word 'ophisticated'.<br /><br />## Step 3<br />Based on the analysis, option C is the sentence that best represents the meaning of the word 'ophisticated'.