What is an example of an obstacle in a game? rescuing Princess Peach from Bowser in Mario
using the W, A,S, D keys to move your character
a series of grinding gears that the player has to make it through alive
achieving a high score in Pac-Man

using the W,A,S,D keys to move your character

a series of grinding gears that the player has to make it through alive

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.