What is the effect of the underlined sentence on page 2? Underlined sentence: "It's filling up the deepest gulf that separates class from class and soul from soul."

Context: "Playing! The hardest job I ever tackled, make no mistake about that, Mother. But you have no idea how frightfully interesting it is to take a human being and change her into a quite different human being by creating a new speech for her."

Answer options:
It conveys the idea that Higgins thinks his experiment is noble.
It demonstrates Higgins's sense of humor.
It reveals Higgins's modesty about his work.
It shows that Higgins is curious about human nature.

It shows that Higgins is curious about human nature. (just my opinion hope it helps :)

Explanation:

an unbound book has no cover; paris is a single man

explanation:

nobody can deny that cars are the most used means of transport all over the world. however owing a car could have some disadvantages. first of all, having a car on your own allows you to go everywhere without depending on timetables. moreover, you can use it whenever you need it no matter the time or the climate conditions. furthermore, if you have a car, you would not have to wait for nobody to share it when going to somewhere. nevertheless, one major disadvantages of owing a car is the fact that fuel is very expensive nowadays so that not everyone can afford it. in addition, you have to pay insurance to be protected by legal conditions. apart from this, the person who owns a car always has to maintain the car and repair any mechanical problem which could costs a huge amount of money. what is more, if you have to travel long distances, and you do not like driving, one probably would be exhausted and irritated due to driving for a long time. besides, cars cause environmental pollution. to sum up, owing a car means that you have more freedom to travel whenever and wherever people want to, however the car maintenance could be a very expensive issue that can have bad consequences at your economy.