Answer:
It has been a pleasure to meet you
Explanation:
B. ITS.
Each of the library books is placed in its correct location.
its refers to each of the library books.
A personal pronoun is a pronoun primarily associated with a particular grammatical person. It may refer to people, object, or animals.
The grammatical person may be first person, second person, or third person.
The personal pronoun "its" denotes the use of third person in a singular form.
The answer is
b) 14
because after they are 12 months they start getting to notice a lot of different things.
In this context, it would be who. One would use whom to sound smart, but if used incorrectly, sounds ignorant.