It's C!
In most cases you can't put AND after a period but in this case u can.
Derict object is what you are looking for
We are reading this in class, and I believe the answer would be b, because he is really amazed at everything that Gatsby does to set up his hose for a party that lasts a night...... I really hope that the answer is right the book is kinda boring in my eyes, but yeah... sorry if I am wrong.....