C. The rest are letters to people in familiar situations.
Uhmm
A little more specific please.
Answer:
hi the answer is d!
hope this helps and have a good day or night!
Explanation:
The sentence that contain simple subject would be : C. The rain came down in the sheets
A Simple subject is basically a subject that doing the action. In this case, the rain is doing 'came down'
Hope this helps