Read the plot summary below and answer the question that follows. Carolina and Erica were two sisters traveling to a tiny island in the Caribbean for their summer vacation. When they arrived on the island, they discovered that they would be staying in a beautiful cabin nestled in the wild jungle. One night, Carolina awoke to a frightening growl coming from outside her bedroom window. As it grew louder, she nervously called to her sister. All of a sudden, her window flew open, and she yelped with fear. To her surprise, her sister popped into view, giggling and saying, "Gotcha!" After a moment of shock passed, Carolina had to join in the laughter with her sister. They spent the rest of the summer having fun exploring the surrounding jungle, enjoying their sisterly bond. Which of the following could most likely be labeled as the climax of the plot summarized above?

when Carolina's window flew open
when the sisters arrived at their cabin
when the sisters traveled to the island
when they explored the island jungles

plz help assap plz