Answer :
Well,
We can see that the shopkeeper (subject) is sweeping (verb) the sidewalk (direct object receiving the action). So the word "sidewalk" is a direct object in this sentence.
The correct option is D.
We can see that the shopkeeper (subject) is sweeping (verb) the sidewalk (direct object receiving the action). So the word "sidewalk" is a direct object in this sentence.
The correct option is D.