i believe the answer is
a) greasy and soapy
unctuous: (chiefly of minerals) having a greasy or soapy feel
Answer:
The goddess Hera, who hated Hercules for being born of her husband's adultery, had stricken him with a temporary curse of madness.
The statement "He was so strong, I expected him to tear off his shirt and reveal an "S" on his chest", provides an allusion that the intensity of his strength can be compared to that of the fictitious character Superman. His strength may just give him authority to carry that "S" symbol.
