In order for a cell to function efficiently

What is required for a cell to function efficiently?

I believe that the answer is A.

Explanation:

In order for a cell to function efficiently, it must have a small surface area and a small volume. This is because as the volume of a cell increases, its surface area does not increase at the same rate. A larger volume without a corresponding increase in surface area can lead to difficulties in exchanging materials with the cell's environment.

Cells rely on a high surface area to volume ratio to efficiently transport nutrients into the cell and waste products out of the cell. With a small surface area and small volume, cells can more effectively carry out these essential functions for survival. Therefore, having a small surface area and small volume is crucial for the optimal functioning of a cell.