Excerpt from Pet Dangers Carole Jenkins (5) Although the exact cause is not known, gastrointestinal problems will result after a
pet ingests grapes or raisins. Choose the BEST revision of sentence (5). A) Although the exact cause is not known, gastrointestinal problems result after a pet ingests grapes or raisins.
B) Although their exact cause is not known, gastrointestinal problems result after a pet ingests grapes or raisins.
C) Although the exact cause is not known, gastrointestinal problems can result after a pet ingests grapes or raisins.
D) Although their exact cause is not known, gastrointestinal problems can result after a pet ingests grapes or raisins.
"Although their exact cause is not known, gastrointestinal problems can result after a pet ingests grapes or raisins."
This corrects two problems: The pronoun 'their' now more clearly refers to the gastrointestinal problems, and the addition of the word 'can' makes the sentence more reasonable.
