Final answer:
In Greek mythology, gods and goddesses are often portrayed as unfeeling and detached from mortal emotions.
Step-by-step explanation:
The answer to the question "How do we see the gods and goddesses are unused to mourning?" is option a. They are depicted as unfeeling and detached from mortal emotions. In Greek mythology, gods and goddesses are often portrayed as being indifferent to human suffering and emotions. They are shown as powerful and above mortal concerns, rarely showing any signs of grief or mourning.