................................c
Its i think B... adverb would be the time or place or circumstances...
It's hot outside today.
It's is the contrasted form of it is and its is the possessive form *as it is without an apostrophe*.
For example:
The tree has lost all its leaves.
It's my birthday today.
Answer:
2. providing feedback such as "Um-hum" or "interesting" indicates that you are listening
Explanation: