Final answer:
It is appropriate to extend sincere sympathies to a professional contact when they experience a personal loss. This action shows empathy and can reinforce the value of the relationship.
Step-by-step explanation:
When a professional contact encounters a personal loss, it is appropriate to extend sincere sympathies. In the business world, showing empathy during such times can help to strengthen relationships and show that you value the relationship beyond just the professional context. It's important, however, to be genuine and respectful when expressing condolences. Showing empathy and offering condolences are ways to support someone during a difficult time. It helps to maintain a professional and compassionate relationship.
Answer: A)appropriate