No other anatomist tried a brain dissection before the narrator's attempt because people's brains did not have any problems back then. When the computing power of the people's brains started slowing down, it was then that the scientist decided to dissect the brain to investigate the reason why this was happening.
Answer:
I need the text to answer this question but as far as I know, dolphins brains are much bigger than ours.
Explanation:
When we say complete subject, this is what is being talked about in the sentence including its modifiers, and the complete predicate includes the main verb and its modifiers as well. In the given sentence above, the complete subject would be "He" and the complete predicate would be "<span>had no help with the project." Hope this helps.</span>
I think the answer A. is a good one. As long as you have the evidence to prove it, it would be A.