Compound. The simple sentence would be 'they were very busy'
What answer are you looking for here? The sentence is grammatically correct.
In this poem the repetition of 'and' is used to add emphasis using the figurative language juxta position, to show the significance of the event.
Hope this helps! If you have any other questions or would like further explanation just let me know! :)
Answer:
Third sentence
Explanation:
In the first sentence, therefore is used for reasoning
ex: Therefore, dirty water is bad for the environment because it can make people sick
The second sentence is a run on sentence so it would not be correct.
