Read the passage. excerpt from "Healing a Wounded Heart: Daniel Hale Williams" by William Orem

He found and repaired a torn blood vessel. He stitched up the pericardium, a fluid-filled bag that surrounds the heart. He carefully cleaned the wound and the chest cavity, to make sure that no infection set in.

It could be inferred that the word cavity in the paragraph means "rotten part."

Select the word and phrase from the drop-down menus to correctly complete the sentence.

The inferred meaning is
Choose... correct or incorrect
as best verified by the context clue
Choose..."make sure that no infection set in"
"a fluid-filled bag that surrounds the heart"
"cleaned the wound and the chest"
"repaired a torn blood vessel"

from the paragraph.