In Object layer, if we will create more Objects, then design will be more efficient and scalable because

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.

make sure each item is its own paragraph.