Question

Which sentence is punctuated correctly? A) The soup which was my mother's recipe overflowed on the stove and made a big stain. B) The dog, that had never been trained, somehow ended up winning the training portion of the dog show. C) The envelope, which had no return address, was yet sitting on the table at the foot of the staircase. D) The dolphin, with the scar on its back, was quickly identified by scientists as having traveled over 1000 miles in a month. Eliminate

Answer 1

The sentence that is written correctly is the following one: The envelope, which had no return address, was yet sitting on the table at the foot of the staircase. The phrase which had not return address is not necessary or essential to the meaning of the sentence and therefore should be set apart by commas.

Answer 2

Sentence C

Sentence D does not need a comma after the word back
Sentence B does not need a comma after the word dog
Sentence A needs a comma after the word soup