Final answer:
The given statement "Cite strong and thorough textual evidence to support analysis of what the text says explicitly" In the text.
b. the brother and sister encounter a mysterious intruder and react with fear. is the correct answer
Step-by-step explanation:
After reading paragraphs 6-13. The text explicitly states, "Suddenly, a shadowy figure appeared from the dark corner of the room," which indicates the presence of an intruder.
The brother and sister's reaction is described as, "They gasped and froze in fear, their hearts pounding."
These explicit details support the answer choice B) and indicate that the brother and sister encounter a mysterious intruder and react with fear.