Capulet thinks Juliet is too young to elope (get married), but cannot refuse Paris. To get more time he asks Count Paris to Court his daughter. It is his way of showing that he knows what is best for Juliet.
A) fairy tales because the other three options typically have you on the edge of your seat waiting for the next thing to happen
Answer: The car was not bought by them.
When they spot the huge terrifying dinosaur, though, Eckels panics, inadvertently stepping off the path and crushing a single butterfly. That tiny difference is enough to unloose a chain of events so that by the time they get back to the future, it is irreparably changed.