"Contrast" means to be different, or to differ. The answer is D. However, because "however" is used when you start to talk about something different.
I hope this helps! :D
Okay, okay, okay, okay
Okay, okay, oh
You live in my dream state
Relocate my fantasy
I stay in reality
You live in my dream state
The most common is Chicago style.
Advocating means supporting or recommending.