To make it parallel I would say to put it in this format: We can’t go back; to go forward is our only option. This makes the verbs the same.
one day a young boy was sitting in the middle of the little picnic table enjoying the pickle that his mother had packed for him. He watched as all the people passed by it. when the young boy looked aside of him he saw a poodle Trot up next to him and sit. He noticed the poodle was hungry so he gave him a bit of his pickle. He pet the poodle very gentle until it trotted off into the distance. Lol...i guess
<span> Today, many schools serve fast food items like french fries and pizza as everyday meals. </span>