Why is my wifi so bad ?

i want to say d but i could be wrong however it is organized if that could happen..

hope it could

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.