What is the question exactly?
I think it's B) because a missing modifier is when a sentence is broke apart incorrectly and I don't think that B) is correctly separated. I could rearrange the sentence and make it say, "The thunder frightened me as I slept peacefully" and it would sound better. I hope I helped a bit.
Percepção é a organização, identificação e interpretação de informações sensoriais para representar e entender as informações apresentadas ou o ambiente.
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The subject and verb has to agree such as the boy runs
Rick Astley - Never gonna give you up