A. Simple
This is one independent clause so it is simple.
Compound is two independent
Complex is an independent and dependent
I don’t know what compound complex is but this sentence is simple
Sorry I had to write it on my notes because it wouldn’t post
This is what happen on how the Jews prepared for transport
Answer:
"It is important for a person to be prepared before you adopt a pet"? Not sure if this is a spelling question or a grammar question with typos. If it was a grammatical one I would replace "you" with "they".