Which sentence does not contain any errors in comma usage?
a. for the family reunion my grandmother made everyone name tags.
b. before you assemble the dresser read the instructions carefully.
c. no, there are not any fish in that pond.
d. one, lonely flower grew in the garden in the front yard of our house.

The sentence which  does not contain any errors in comma usage is the sentence in letter C.No, there are not any fish in that pond.

The rest of the sentences should've been like this:
For the family reunion, my grandmother made everyone name tags.
Before you assemble the dresser, read the instructions carefully.
One lonely flower grew in the garden, in the front yard of our house

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