What is the most appropriate nursing response to Mrs. Smith's concern about her husband's fidelity after being diagnosed with herpes?

A) "It's important to consider all possibilities, but let's focus on your treatment and support for now. "
B) "Have you discussed your concerns with your husband? Communication is key in situations like these. "
C) "I understand your worry, but let's wait for the test results to confirm the diagnosis before jumping to conclusions. "
D) "Infidelity can be a difficult topic to address. Would you like me to refer you to a counselor to discuss your concerns further?"