The answer that fits the blank given is RECOGNITION OF. Therefore, you can say that true appreciation is present when there is thoughtful observation, knowledge of the subject and the recognition of value because once a value is recognized, this when you say that the appreciation is done genuinely. Answer is C.
When they are used to describe or modify a noun.
For examples:
"You may leave through either door."
"Donald Trump aims to garner the most votes."
The Nurse helps Romeo and Juliet elope. Because she helped them get married, consummate their marriage, and sneak around, Juliet wouldn't marry Paris and ended up drinking the sleeping potion that caused Romeo and then her to kill themselves.
Don’t be near a smoker you can get second hand high
