(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.