Answer: Ethmoid
Explanation:
The cerebrum is known to be the largest part of the human brain. The main function of cerebrum is that it helps in thought and action. In human beings cerebrum is situated at the uppermost region of the brain.
It is divided into four sections. These sections are termed as lobes. The frontal lobe, occipital lobe, parietal lobe and the temporal lobe.
Hence, the correct answer is option A
