A. The cake, which was chocolate, was delicious.
B. The cake which was chocolate was delicious.
C. The cake, which was chocolate was delicious.
D. The cake which was, chocolate was delicious.
Answer: The cake, which was chocolate, was delicious.
A. The cake, which was chocolate, was delicious.
B. The cake which was chocolate was delicious.
C. The cake, which was chocolate was delicious.
D. The cake which was, chocolate was delicious.
Answer: The cake, which was chocolate, was delicious.
Additional Information: Commas are used to set off non-essential clauses.
Subjects: Punctuation, Grammar