some advantages can be stress releasing and it can be fun. some disadvantages can be such as promoting bad behavior (depending on the game) and causing violence or changing the way you think about life. some video games can be very good for the way you think and will not promote bad behavior. games with lots is k*lling could lead to violent behavior(also may depend on age and maturity level)
The correct sentence is (A). In this example the author stablishes a good parallel structure when he/she enumerates the items. Commas must not be used in an independent clause; in particular, before a verb (the comma before “were” is not correct as an example B).
