Please read the following sentences and decide on their purposes. Beside each sentence write D for declarative; IN for interrogative; IM for imperative or E for Exclamatory.

Clean up your room right now!
I think you should clean up your room.
Do you think you could clean u your room?
I can't stand it when you leave your room messy!
Run, quick!
You are a terrific person.
It's time for school.
When can we go to the beach?
Please pass the salt.
I am all finished!

These are my notes-

The  indicative mood describes statements about real things that have happened or are happening. To indicate means to show or reveal.

Indicative- I ran the marathon last week.

Not indicative- I wish that I had run the marathon last week.

The imperative mood gives orders or requests that someone do something.

Imperative means important or urgent.

Imperative- Wash the dishes before you leave (command)

Not imperative- I washed the dishes before I went out.

*indicative

Honestly, you can report me if it is wrong but I think its C. But please look at the notes before you answer.

its confident and professional