Answer: My favorite stores are Bloomingdale's and Macy's. My sister only shops at Nordstrom
Step-by-step explanation:
The sentence that's well written is option A "OMy favorite stores are Bloomingdale's and Macy's. My sister only shops at Nordstrom."
We should note that with regards to the question, there should be an apostrophe "s" attached to Bloomingdale and Macy. Also, the "n" in Nordstrom should start with capital letters.
Therefore, the correct option is A.