The phrase <em>with exciting plots </em>is used as D. adjective phrase, because it modifies the noun <em>books.
</em>What kind of books? - (The ones) with exciting plots. <em>
</em>
Answer:
Sentential form
Explanation:
A sentence is a sentential form when it has only symbols (P, Q, A...). It may have terminal symbols or start symbol.
Answer:
noun because it is a person place or thing
Explanation:
I prefer to call it prison for kids :)