LIES in part D of the sentence. Let us have a LOOK at few words used in the GIVEN sentence:The word shoppers is a noun.The word there is an adverb.It refers to the noun shoppers.We need a possessive pronoun their INSTEAD of an adverb there.Hence, there should be replaced with their.So the correct sentence is: The result of the survey shows that the majority of the shoppers ditch their shopping carts after loading. Let us UNDERSTAND the meaning of possessive pronoun:Possessive pronouns are pronouns that help us show possession.Example: mine, yours, his, hers, its, ours, yours, etc.