Answer:
The subject of the sentence is 'the dog' since he is also preforming an action.
The dog
Explanation:
The simple subject is the thing <em>doing </em>action, which is in this sentence, the dog. Alternatively, the simple subject is the thing <em>receiving</em> the action, which is in this sentence, the guests.
<u>Kaylie {</u>swam} in the ocean.
its C
I did it on Edgenuity
hope this helps!!