Concept:Darning is a sewing repair method that uses weaving to mend a worn or weakened area.Explanation:The question describes weaving thread into a weakened portion of a fabric article to repair it.This technique is specifically called darning.The other options do not accurately describe weaving thread into fabric: renovating means refreshing, remodeling means changing the style, and patching means covering with another piece of cloth.Answer:B. darning.