I would be able to tell you if you posted the passage. Anyways, I would say A is the answer.
The correct answer to this open question is the following.
The kinds of questions that Hitchcock hopes his audience will ask while they watch the movie "Rope" are the ones that make them think how the mystery will be solved by the characters. How the situations can be developed in order to get the clues and find the guilty. English movie Director Alfred Hitchc*ock was the master of suspense. In the movie "Rope," the audience knows from the very beginning who were the murderers of the man. Hitchc*ock said that he likes the audience assumes the role of God, in order to witness the actions of how the characters are going to resolve the case because the audience already knew how things happened since the beginning of the movie.
Can you say the options ?
A They keep the same form no matter what tense is used
B. Teenagers have a lot of variation in their behavior
