How does antinous answer telemachus's charges?
a) he blames telemachus's youth and cowardice.
b) he blames the "deathless gods" for telemachus's woes.
c)he blames penelope's flirtation and fickleness.
d)he reminds telemachus that even if odysseus came back, the suitors are too strong to overcome.

He blames Penelope's Flirtation and Fickleness ( C )

Explanation:

Penelope had flirtation attributes and also exhibited alot of Fickleness because of her want for attention and care. This attributes she uses them on unsuspecting suitors by giving them false hope of love and care while she doesn't love or care about them but yet she flirts with them while she remains loyal to Odysseus.

so when Anti nous was accused by Telemachus for his actions towards Penelope he blames it on Penelope's Flirtation and Fickleness

For anyone who needs the answer now, it is D.) “‘At any rate,’ said the bachelor, collecting his belongings preparatory to leaving the carriage, ‘I kept them quiet for ten minutes, which was more than you were able to do.’”

Explanation:

Proof in screenshot