"but her husband was on his hands and knees groping wildly on the floor in search of the paw. if he could only find it before the thing outside got in. a perfect fusillade of knocks reverberated through the house, and he heard the scraping of a chair as his wife put it down in the passage against the door." which is not a way the author builds suspense in these sentences? a. by alluding to the visitor as being herbert b. by describing mrs. white's scraping the chair c. by explaining how the knocks echo through the house d. by making it difficult for mr. white to find the paw